diff --git a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoHexMeshDriver.C b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoHexMeshDriver.C
index dfbeb55af..c92bf01fb 100644
--- a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoHexMeshDriver.C
+++ b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoHexMeshDriver.C
@@ -158,9 +158,9 @@ Foam::autoHexMeshDriver::autoHexMeshDriver
     {
         meshRefinement::debug = debug_;
         autoHexMeshDriver::debug = debug_;
-        autoRefineDriver::debug = debug;
-        autoSnapDriver::debug = debug;
-        autoLayerDriver::debug = debug;
+        autoRefineDriver::debug = debug_;
+        autoSnapDriver::debug = debug_;
+        autoLayerDriver::debug = debug_;
     }
 
     refinementParameters refineParams(dict, 1);