diff --git a/simplify_static_dir-main.pl b/simplify_static_dir-main.pl
index b7bf35f..4d15c0d 100755
--- a/simplify_static_dir-main.pl
+++ b/simplify_static_dir-main.pl
@@ -151,7 +151,7 @@ MAIN: {
         return if -d $File::Find::name;
 
         # skip non-existent files and links
-        unless (-f $File::Find::name && ! -l $File::Find::name) {
+        if (! -f $File::Find::name || -l $File::Find::name) {
             return;
         }