diff --git a/fhem/FHEM/01_FHEMWEB.pm b/fhem/FHEM/01_FHEMWEB.pm
index 836d5908e..28a1737c3 100755
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -1846,6 +1846,7 @@ FW_readIconsFrom($$)
       }
     }
   }
+  $FW_icons{$dir}{""} = 1; # Do not check empty directories again.
 }
 
 sub