diff --git a/olaflow/of/system/blockMeshDict b/olaflow/of/system/blockMeshDict
index ff77ee3..73c6234 100644
--- a/olaflow/of/system/blockMeshDict
+++ b/olaflow/of/system/blockMeshDict
@@ -30,7 +30,7 @@ vertices
 
 blocks          
 (
-    hex (0 1 5 4 3 2 6 7)   (300 1 120) simpleGrading (1 1 1)
+    hex (0 1 5 4 3 2 6 7)   (600 1 240) simpleGrading (1 1 1)
 );
 
 edges