diff --git a/extensions/ini/package.json b/extensions/ini/package.json
index c99133f3efc..cc5ca5da606 100644
--- a/extensions/ini/package.json
+++ b/extensions/ini/package.json
@@ -19,7 +19,7 @@
 		{
 			"id": "properties",
 			"extensions": [ ".properties", ".cfg", ".conf", ".directory" ],
-			"filenames": [ ".gitattributes", ".gitconfig", "gitconfig", ".editorconfig" ],
+			"filenames": [ ".gitattributes", ".gitconfig", "gitconfig", ".gitmodules", ".editorconfig" ],
 			"filenamePatterns": [ "**/.config/git/config", "**/.git/config" ],
 			"aliases": [ "Properties", "properties" ],
 			"configuration": "./properties.language-configuration.json"