diff --git a/applications/utilities/parallelProcessing/decomposePar/decomposeParDict b/applications/utilities/parallelProcessing/decomposePar/decomposeParDict
index 9ffb82c573..26283baa2e 100644
--- a/applications/utilities/parallelProcessing/decomposePar/decomposeParDict
+++ b/applications/utilities/parallelProcessing/decomposePar/decomposeParDict
@@ -45,7 +45,7 @@ multiLevelCoeffs
 
     level0
     {
-        numberOfSubdomains  2;
+        numberOfSubdomains  64;
         //method simple;
         //simpleCoeffs
         //{