diff --git a/templates/lv2-make/Makefile b/templates/lv2-make/Makefile
index 0bbd317..5ec21a4 100644
--- a/templates/lv2-make/Makefile
+++ b/templates/lv2-make/Makefile
@@ -38,8 +38,8 @@ BUILD_DATA_DIR := build/$(BUNDLE_DIR)
 ifeq ($(OS), Windows_NT)
 	DLL_SUFFIX := .dll
 	UI_TYPE := WindowsUI
-	LV2DIR := $(shell echo '$(COMMONPROGRAMFILES)' | sed 's:\\:/:g')/LV2
-	LV2DIR_USER := $(shell echo '$(APPDATA)' | sed 's:\\:/:g')/LV2
+	LV2DIR := $(subst \,/,$(COMMONPROGRAMFILES))/LV2
+	LV2DIR_USER := $(subst \,/,$(APPDATA))/LV2
 	CC := gcc
 	CXX := g++
 else
diff --git a/templates/vst3-make/Makefile b/templates/vst3-make/Makefile
index 3103525..87c7b6c 100644
--- a/templates/vst3-make/Makefile
+++ b/templates/vst3-make/Makefile
@@ -49,8 +49,8 @@ BUILD_DATA_DIR :=  build/$(BUNDLE_DIR)/Contents/Resources
 
 ifeq ($(OS), Windows_NT)
 	DLL_SUFFIX := .vst3
-	VST3DIR := $(shell echo '$(COMMONPROGRAMFILES)' | sed 's:\\:/:g')/VST3
-	VST3DIR_USER := $(shell echo '$(LOCALAPPDATA)' | sed 's:\\:/:g')/Programs/Common/VST3
+	VST3DIR := $(subst \,/,$(COMMONPROGRAMFILES))/VST3
+	VST3DIR_USER := $(subst \,/,$(LOCALAPPDATA))/Programs/Common/VST3
 	CC := gcc
 	CXX := g++
 else