diff --git a/auto/summary b/auto/summary
index 8a71cbe..010a5be 100644
--- a/auto/summary
+++ b/auto/summary
@@ -51,6 +51,7 @@
 case $MD5 in
     YES)   echo "  + md5: using $MD5_LIB library" ;;
     NONE)  echo "  + md5 library is not used" ;;
+    NO)    echo "  + using builtin md5 code" ;;
     *)     echo "  + using md5 library: $MD5" ;;
 esac