diff --git a/srcpkgs/hebcal/template b/srcpkgs/hebcal/template
index 2e32be41196..6e7cdc3a6db 100644
--- a/srcpkgs/hebcal/template
+++ b/srcpkgs/hebcal/template
@@ -11,6 +11,8 @@ homepage="https://www.hebcal.com/"
 distfiles="https://github.com/hebcal/hebcal/archive/v${version}.tar.gz"
 checksum=507dde7a173453a56c63fefcafef9eab4d3ab9f5da57473e2a07e538e3d6d831
 
+CFLAGS="-fcommon"
+
 pre_configure() {
 	autoreconf -fi
 	# aclocal && autoconf && automake --foreign --add-missing