diff --git a/res/com.system76.CosmicFiles.desktop b/res/com.system76.CosmicFiles.desktop
index 78850f4..eb1bccf 100644
--- a/res/com.system76.CosmicFiles.desktop
+++ b/res/com.system76.CosmicFiles.desktop
@@ -8,3 +8,4 @@ StartupNotify=true
 Icon=system-file-manager
 Categories=COSMIC;Utility;FileManager;
 Keywords=Folder;Manager;
+MimeType=inode/directory;