diff --git a/srcpkgs/mdocml/template b/srcpkgs/mdocml/template
index 5200eb54ce8..e7924b66c99 100644
--- a/srcpkgs/mdocml/template
+++ b/srcpkgs/mdocml/template
@@ -26,6 +26,8 @@ alternatives="
  man:whatis.1:/usr/share/man/man1/mandoc-whatis.1
  man:apropos.1:/usr/share/man/man1/mandoc-apropos.1"
 
+CFLAGS="-fcommon"
+
 post_extract() {
 	# use less(1)
 	sed -i 's,"more -s","less -s",g' main.c