diff --git a/source/blender/blenkernel/intern/appdir.c b/source/blender/blenkernel/intern/appdir.c
index 0bc8d17fdaf..5779c873222 100644
--- a/source/blender/blenkernel/intern/appdir.c
+++ b/source/blender/blenkernel/intern/appdir.c
@@ -240,7 +240,7 @@ bool BKE_appdir_folder_caches(char *r_path, const size_t path_len)
 #ifdef WIN32
   BLI_path_join(
       r_path, path_len, caches_root_path, "Blender Foundation", "Blender", "Cache", SEP_STR, NULL);
-#elif __APPLE__
+#elif defined(__APPLE__)
   BLI_path_join(r_path, path_len, caches_root_path, "Blender", SEP_STR, NULL);
 #else /* __linux__ */
   BLI_path_join(r_path, path_len, caches_root_path, "blender", SEP_STR, NULL);