diff --git a/templates/android/src/jni.cpp b/templates/android/src/jni.cpp
index b062f7d..96a3725 100644
--- a/templates/android/src/jni.cpp
+++ b/templates/android/src/jni.cpp
@@ -21,12 +21,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-typedef struct {
-	void       *handle;
-	const char *format;
-	const char *(*get_bindir)(void *handle);
-	const char *(*get_datadir)(void *handle);
-} plugin_callbacks;
+#include "callbacks.h"
 
 #include "data.h"
 #include "plugin.h"
diff --git a/templates/android/tibia-index.js b/templates/android/tibia-index.js
index fedbe9e..9e394fe 100644
--- a/templates/android/tibia-index.js
+++ b/templates/android/tibia-index.js
@@ -28,4 +28,5 @@ module.exports = function (data, api) {
 	api.generateFileFromTemplateFile(`src${sep}MainActivity.java`, `src${sep}MainActivity.java`, data);
 	api.generateFileFromTemplateFile(`src${sep}index.html`, `src${sep}index.html`, data);
 	api.copyFile(`..${sep}common${sep}fatica.h`, `src${sep}fatica.h`);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };
diff --git a/templates/cmd/src/main.c b/templates/cmd/src/main.c
index 97a9ed1..747c220 100644
--- a/templates/cmd/src/main.c
+++ b/templates/cmd/src/main.c
@@ -21,12 +21,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-typedef struct {
-	void *		handle;
-	const char *	format;
-	const char * (*get_bindir)(void *handle);
-	const char * (*get_datadir)(void *handle);
-} plugin_callbacks;
+#include "callbacks.h"
 
 #include "data.h"
 #include "plugin.h"
diff --git a/templates/cmd/tibia-index.js b/templates/cmd/tibia-index.js
index aecdbbc..3e057b7 100644
--- a/templates/cmd/tibia-index.js
+++ b/templates/cmd/tibia-index.js
@@ -24,4 +24,5 @@ var sep = path.sep;
 module.exports = function (data, api) {
 	api.generateFileFromTemplateFile(`src${sep}data.h`, `src${sep}data.h`, data);
 	api.copyFile(`src${sep}main.c`, `src${sep}main.c`);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };
diff --git a/templates/common/callbacks.h b/templates/common/callbacks.h
new file mode 100644
index 0000000..2a1c5d4
--- /dev/null
+++ b/templates/common/callbacks.h
@@ -0,0 +1,22 @@
+#ifndef TIBIA_CALLBACKS_H
+#define TIBIA_CALLBACKS_H
+
+typedef struct {
+	void       *handle;
+	const char *format;
+	const char *(*get_bindir)(void *handle);
+	const char *(*get_datadir)(void *handle);
+} plugin_callbacks;
+
+typedef struct {
+	void       *handle;
+	const char *format;
+
+	const char *(*get_bindir)         (void *handle);
+	const char *(*get_datadir)        (void *handle);
+	void        (*set_parameter_begin)(void *handle, size_t index);
+	void        (*set_parameter)      (void *handle, size_t index, float value);
+	void        (*set_parameter_end)  (void *handle, size_t index);
+} plugin_ui_callbacks;
+
+#endif
diff --git a/templates/daisy-seed/src/main.cpp b/templates/daisy-seed/src/main.cpp
index 7e218a7..7403e0b 100644
--- a/templates/daisy-seed/src/main.cpp
+++ b/templates/daisy-seed/src/main.cpp
@@ -21,12 +21,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-typedef struct {
-	void *		handle;
-	const char *	format;
-	const char * (*get_bindir)(void *handle);
-	const char * (*get_datadir)(void *handle);
-} plugin_callbacks;
+#include "callbacks.h"
 
 #include "data.h"
 #include "plugin.h"
diff --git a/templates/daisy-seed/tibia-index.js b/templates/daisy-seed/tibia-index.js
index 7826d36..3d5dc9c 100644
--- a/templates/daisy-seed/tibia-index.js
+++ b/templates/daisy-seed/tibia-index.js
@@ -24,4 +24,5 @@ var sep = path.sep;
 module.exports = function (data, api) {
 	api.generateFileFromTemplateFile(`src${sep}data.h`, `src${sep}data.h`, data);
 	api.copyFile(`src${sep}main.cpp`, `src${sep}main.cpp`);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };
diff --git a/templates/ios/src/native.mm b/templates/ios/src/native.mm
index 086999c..e48446e 100644
--- a/templates/ios/src/native.mm
+++ b/templates/ios/src/native.mm
@@ -21,12 +21,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-typedef struct {
-	void       *handle;
-	const char *format;
-	const char *(*get_bindir)(void *handle);
-	const char *(*get_datadir)(void *handle);
-} plugin_callbacks;
+#include "callbacks.h"
 
 #include "data.h"
 #include "plugin.h"
diff --git a/templates/ios/tibia-index.js b/templates/ios/tibia-index.js
index 093fb72..771aaba 100644
--- a/templates/ios/tibia-index.js
+++ b/templates/ios/tibia-index.js
@@ -28,4 +28,5 @@ module.exports = function (data, api) {
 	api.copyFile(`src${sep}app-Bridging-Header.h`, `src${sep}app-Bridging-Header.h`);
 	api.copyFile(`src${sep}app.swift`, `src${sep}app.swift`, data);
 	api.copyFile(`..${sep}common${sep}fatica.h`, `src${sep}fatica.h`);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };
diff --git a/templates/lv2/src/lv2.c b/templates/lv2/src/lv2.c
index 0aa4d72..7d38975 100644
--- a/templates/lv2/src/lv2.c
+++ b/templates/lv2/src/lv2.c
@@ -21,23 +21,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-typedef struct {
-	void       *handle;
-	const char *format;
-	const char *(*get_bindir)(void *handle);
-	const char *(*get_datadir)(void *handle);
-} plugin_callbacks;
-
-typedef struct {
-	void       *handle;
-	const char *format;
-
-	const char *(*get_bindir)         (void *handle);
-	const char *(*get_datadir)        (void *handle);
-	void        (*set_parameter_begin)(void *handle, size_t index);
-	void        (*set_parameter)      (void *handle, size_t index, float value);
-	void        (*set_parameter_end)  (void *handle, size_t index);
-} plugin_ui_callbacks;
+#include "callbacks.h"
 
 #include "data.h"
 #pragma GCC diagnostic push
diff --git a/templates/lv2/tibia-index.js b/templates/lv2/tibia-index.js
index c92b721..10fa359 100644
--- a/templates/lv2/tibia-index.js
+++ b/templates/lv2/tibia-index.js
@@ -121,6 +121,7 @@ module.exports = function (data, api, outputCommon, outputData) {
 
 	api.generateFileFromTemplateFile(`data${sep}manifest.ttl.in`, `data${sep}manifest.ttl.in`, data);
 	api.copyFile(`src${sep}lv2.c`, `src${sep}lv2.c`);
-	api.copyFile(`..${sep}common${sep}fatica.h`, `src${sep}fatica.h`);
 	api.generateFileFromTemplateFile(`src${sep}data.h`, `src${sep}data.h`, data);
+	api.copyFile(`..${sep}common${sep}fatica.h`, `src${sep}fatica.h`);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };
diff --git a/templates/vst3/src/vst3.c b/templates/vst3/src/vst3.c
index e8b7002..1b00530 100644
--- a/templates/vst3/src/vst3.c
+++ b/templates/vst3/src/vst3.c
@@ -21,22 +21,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-typedef struct {
-	void       *handle;
-	const char *format;
-	const char *(*get_bindir)(void *handle);
-	const char *(*get_datadir)(void *handle);
-} plugin_callbacks;
-
-typedef struct {
-	void       *handle;
-	const char *format;
-	const char *(*get_bindir)(void *handle);
-	const char *(*get_datadir)(void *handle);
-	void        (*set_parameter_begin)(void *handle, size_t index);
-	void        (*set_parameter)(void *handle, size_t index, float value);
-	void        (*set_parameter_end)(void *handle, size_t index);
-} plugin_ui_callbacks;
+#include "callbacks.h"
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wpedantic"
diff --git a/templates/vst3/tibia-index.js b/templates/vst3/tibia-index.js
index c767603..40f4956 100644
--- a/templates/vst3/tibia-index.js
+++ b/templates/vst3/tibia-index.js
@@ -66,6 +66,7 @@ module.exports = function (data, api, outputCommon, outputData) {
 	api.copyFile(`data${sep}PkgInfo`, `data${sep}PkgInfo`);
 	api.generateFileFromTemplateFile(`data${sep}Info.plist`, `data${sep}Info.plist`, data);
 	api.copyFile(`src${sep}vst3.c`, `src${sep}vst3.c`);
-	api.copyFile(`..${sep}common${sep}fatica.h`, `src${sep}fatica.h`);
 	api.generateFileFromTemplateFile(`src${sep}data.h`, `src${sep}data.h`, data);
+	api.copyFile(`..${sep}common${sep}fatica.h`, `src${sep}fatica.h`);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };
diff --git a/templates/web/src/processor.c b/templates/web/src/processor.c
index 645177e..72619c4 100644
--- a/templates/web/src/processor.c
+++ b/templates/web/src/processor.c
@@ -21,12 +21,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-typedef struct {
-	void       *handle;
-	const char *format;
-	const char *(*get_bindir)(void *handle);
-	const char *(*get_datadir)(void *handle);
-} plugin_callbacks;
+#include "callbacks.h"
 
 #include "data.h"
 #include "plugin.h"
diff --git a/templates/web/tibia-index.js b/templates/web/tibia-index.js
index 6428f42..775c97e 100644
--- a/templates/web/tibia-index.js
+++ b/templates/web/tibia-index.js
@@ -31,4 +31,5 @@ module.exports = function (data, api) {
 	api.generateFileFromTemplateFile(`src${sep}data.h`, `src${sep}data.h`, data);
 	api.generateFileFromTemplateFile(`src${sep}processor.js`, `src${sep}processor.js`, data);
 	api.generateFileFromTemplateFile(`src${sep}module.js`, `src${sep}module.js`, data);
+	api.copyFile(`..${sep}common${sep}callbacks.h`, `src${sep}callbacks.h`);
 };