--- a/config/ymake
+++ b/config/ymake
@@ -226,7 +226,7 @@
 else if (-e "yMakefile") then
         set ymakefile="yMakefile"
         set outfile = "Makefile"
-else
+else if (! -e "makefile") then
         echo "$0 : no y(mM)akefile found" > /dev/tty
         exit 1
 endif