diff --git a/check_size_consistency.pl b/check_size_consistency.pl
index b057b27..d25cbd3 100644
--- a/check_size_consistency.pl
+++ b/check_size_consistency.pl
@@ -184,7 +184,7 @@ my $toobig = "false";
 # $json->{new_size} < $json->{new_size_avg} / 3
 
 print("Size Consistency : ");
-if ( $toosmall == "false" AND $toobig == "false" ) {
+if ( $toosmall == "false" && $toobig == "false" ) {
   print("Normal");
   }
 else {