diff --git a/cmake/OpenMWMacros.cmake b/cmake/OpenMWMacros.cmake
index 9b4e2bd4e..edda9af19 100644
--- a/cmake/OpenMWMacros.cmake
+++ b/cmake/OpenMWMacros.cmake
@@ -5,5 +5,5 @@ foreach (u ${ARGN})
 list (APPEND files "${dir}/${u}")
 list (APPEND OPENMW_FILES "${dir}/${u}")
 endforeach (u)
-source_group (apps\\openmw\\${dir} FILES ${files})
+source_group ("apps\\openmw\\${dir}" FILES ${files})
 endmacro (add_openmw_dir)