diff --git a/.gitmodules b/.gitmodules
index 62fbb8293a..5a84a25e64 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,7 +12,7 @@
 	url = https://gitee.com/xmzrzk/mavlink.git
 [submodule "gtest"]
 	path = modules/gtest
-	url = https://gitee.com/xmzrzk/googletest
+	url = https://gitee.com/xmzrzk/googletest.git
 [submodule "modules/ChibiOS"]
 	path = modules/ChibiOS
 	url = https://gitee.com/xmzrzk/ChibiOS.git