diff --git a/etc/controlDict b/etc/controlDict
index 2cf2ce334a..9651981ac9 100644
--- a/etc/controlDict
+++ b/etc/controlDict
@@ -808,7 +808,7 @@ OptimisationSwitches
 {
     fileModificationSkew 10;
     commsType       nonBlocking; //scheduled; //blocking;
-    floatTransfer   1;
+    floatTransfer   0;
     nProcsSimpleSum 0;
 }