diff --git a/src/mumble/CMakeLists.txt b/src/mumble/CMakeLists.txt
index 2a1a6c33a..e0d32087a 100644
--- a/src/mumble/CMakeLists.txt
+++ b/src/mumble/CMakeLists.txt
@@ -291,8 +291,8 @@ endif()
 
 target_compile_definitions(mumble
 	PRIVATE
-	MUMBLE_LIBRARY_PATH="${MUMBLE_INSTALL_LIBDIR}"
-	MUMBLE_PLUGIN_PATH="${MUMBLE_INSTALL_PLUGINDIR}"
+		"MUMBLE_LIBRARY_PATH=${MUMBLE_INSTALL_LIBDIR}"
+		"MUMBLE_PLUGIN_PATH=${MUMBLE_INSTALL_PLUGINDIR}"
 )
 
 set_target_properties(mumble