diff --git a/mk b/mk
index c004897..0f1afba 100755
--- a/mk
+++ b/mk
@@ -478,7 +478,7 @@ check_makefile()
 
 mkhelp()
 {
-	[ -z "$1" ] || [ -n "$mode" ] || "$1" || $err "mkhelp: !$1"; :
+	[ -z "$1" ] || [ -n "$mode" ] || eval "$1" || $err "mkhelp: !$1"; :
 }
 
 copy_elf()