diff --git a/srcpkgs/iftop/template b/srcpkgs/iftop/template
index 3e3ce685e9..4a5556236d 100644
--- a/srcpkgs/iftop/template
+++ b/srcpkgs/iftop/template
@@ -10,3 +10,5 @@ license="GPL-2.0-only"
 homepage="http://www.ex-parrot.com/pdw/iftop/"
 distfiles="${homepage}/download/$pkgname-$version.tar.gz"
 checksum=f733eeea371a7577f8fe353d86dd88d16f5b2a2e702bd96f5ffb2c197d9b4f97
+
+CFLAGS="-fcommon"