diff --git a/lib/Resmon/ExtComm.pm b/lib/Resmon/ExtComm.pm
index d75c24f08fcda0b9256c4b3f1fdf15508b4bf0f3..b01881dbb4db46427c8182641e6b77aa87916c9d 100755
--- a/lib/Resmon/ExtComm.pm
+++ b/lib/Resmon/ExtComm.pm
@@ -16,7 +16,7 @@ sub cache_command {
     my $command = join(" ", @command);
 
     my $now = time;
-    if(defined($commhist{$command}) && $commhist{$command}>$now) {
+    if(defined $commhist{$command}  && $commhist{$command} > $now) {
         return $commcache{$command};
     }
     $commcache{$command} = run_command(@command);