diff --git a/.gitmodules b/.gitmodules
index 284113d48..43c39befe 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,4 @@
 [submodule "radio/src/thirdparty/libopenui"]
 	path = radio/src/thirdparty/libopenui
 	url = git@github.com:opentx/libopenui.git
+	branch = master