diff --git a/contrib/devtools/CMakeLists.txt b/contrib/devtools/CMakeLists.txt
--- a/contrib/devtools/CMakeLists.txt
+++ b/contrib/devtools/CMakeLists.txt
@@ -3,24 +3,7 @@
 set(SPLIT_DEBUG_SCRIPT_TMP "tmp/split-debug.sh")
 configure_file(
 	"split-debug.sh.cmake.in"
-	"${SPLIT_DEBUG_SCRIPT_TMP}"
-)
-
-# Make the script executable by copying to the current build directory
-file(COPY
-	"${CMAKE_CURRENT_BINARY_DIR}/${SPLIT_DEBUG_SCRIPT_TMP}"
-	DESTINATION
-		"${CMAKE_CURRENT_BINARY_DIR}"
-	FILE_PERMISSIONS
-		OWNER_READ
-		OWNER_WRITE
-		OWNER_EXECUTE
-		GROUP_READ
-		GROUP_WRITE
-		GROUP_EXECUTE
-		WORLD_READ
-		WORLD_WRITE
-		WORLD_EXECUTE
+	"split-debug.sh"
 )
 
 add_custom_target(check-devtools)
diff --git a/contrib/devtools/split-debug.sh.cmake.in b/contrib/devtools/split-debug.sh.cmake.in
old mode 100644
new mode 100755