diff --git a/.gitmodules b/.gitmodules
index 8e88624..04963c7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "flex_boards/SparkFun_GNSS_Flex_pHAT"]
 	path = flex_boards/SparkFun_GNSS_Flex_pHAT
-	url = https://github.com/sparkfun/SparkFun_GNSS_Flex_pHAT
+	url = https://github.com/sparkfun/SparkFun_GNSS_Flex_pHAT.git