diff --git a/src/server/services/wfs/qgswfsutils.cpp b/src/server/services/wfs/qgswfsutils.cpp
index dd2111bf0e2..cf8482bf8dc 100644
--- a/src/server/services/wfs/qgswfsutils.cpp
+++ b/src/server/services/wfs/qgswfsutils.cpp
@@ -85,7 +85,7 @@ namespace QgsWfs
         fids.insert( fid.toInt() );
       }
 
-      if ( fids.size() > 0 )
+      if ( !fids.isEmpty() )
       {
         request.setFilterFids( fids );
       }