diff --git a/srcpkgs/iouyap/template b/srcpkgs/iouyap/template
index 96188425bdc..09cd966c6e1 100644
--- a/srcpkgs/iouyap/template
+++ b/srcpkgs/iouyap/template
@@ -11,6 +11,8 @@ homepage="https://github.com/GNS3/iouyap"
 distfiles="https://github.com/GNS3/${pkgname}/archive/v${version}.tar.gz"
 checksum=181850a4ce73a4d4035f9eb39b2656ae31d360f18b577ee65f5149132da3eccf
 
+CFLAGS="-fcommon"
+
 do_install() {
 	vbin iouyap
 }