diff --git a/srcpkgs/cpat/template b/srcpkgs/cpat/template
index cc668b1588b..67afc1e9ad6 100644
--- a/srcpkgs/cpat/template
+++ b/srcpkgs/cpat/template
@@ -10,3 +10,5 @@ license="GPL-2.0-only"
 homepage="https://sourceforge.net/projects/cpat/"
 distfiles="$SOURCEFORGE_SITE/cpat/cpat/${version}/cpat-${version}.tar.gz"
 checksum=48b9a67cf5b8c9ce0b65de2d75c2086e37067bfa9b401f3d660465f1fd863327
+
+CFLAGS="-fcommon"