diff --git a/submodules/build/Makefile b/submodules/build/Makefile
index 713d9848b..134334fc4 100644
--- a/submodules/build/Makefile
+++ b/submodules/build/Makefile
@@ -32,7 +32,7 @@ CHECKOPT_MSG := ""
 
 ifeq ($(enable_gpl_third_parties)$(enable_zrtp),noyes)
 	CHECKOPT_MSG += "ZRTP is not available in non-gpl build. disabling\n"
-	enable_zrtp=yes
+	enable_zrtp=no
 endif
 
 ifeq ($(enable_gpl_third_parties)$(enable_ffmpeg),noyes)