diff --git a/srcpkgs/hedgewars/template b/srcpkgs/hedgewars/template
index ed711da0cbe..d2294cf572f 100644
--- a/srcpkgs/hedgewars/template
+++ b/srcpkgs/hedgewars/template
@@ -43,10 +43,13 @@ if [ -n "$_use_c_engine" ]; then
 fi
 
 pre_configure() {
-	# remove option not supported by clang
 	if [ -n "$_use_c_engine" ]; then
+		# remove option not supported by clang
 		CFLAGS=${CFLAGS/-fstack-clash-protection/}
 		CXXFLAGS=${CXXFLAGS/-fstack-clash-protection/}
+		# prevent multiple definitions
+		CFLAGS+=" -fcommon"
+		CXXFLAGS+=" -fcommon"
 	fi
 }