diff --git a/utils/UpdateCMakeLists.pl b/utils/UpdateCMakeLists.pl
index 94e69ce2556..3aa2f8891e2 100755
--- a/utils/UpdateCMakeLists.pl
+++ b/utils/UpdateCMakeLists.pl
@@ -96,7 +96,7 @@ sub UpdateCMake {
   my $digestB = Digest::MD5->new->addfile(*FILE)->hexdigest;
   close(FILE);
   
-  if ($digestA != $digestB) {
+  if ($digestA ne $digestB) {
     move($cmakeListNew, $cmakeList);
     return 1;    
   }