diff --git a/srcpkgs/vpn-ws/template b/srcpkgs/vpn-ws/template
index f5914c0739..bfa1bcc9f3 100644
--- a/srcpkgs/vpn-ws/template
+++ b/srcpkgs/vpn-ws/template
@@ -12,7 +12,7 @@ homepage="https://github.com/unbit/vpn-ws"
 distfiles="https://github.com/unbit/vpn-ws/archive/v${version}.tar.gz"
 checksum=f35d16d192ef333390ccc7d342df4392676a86502fa087f310eab9758afd565a
 
-CFLAGS+=" -Wno-stringop-truncation"
+CFLAGS+=" -Wno-stringop-truncation -fcommon"
 
 # no install target in the Makefile
 do_install() {