1 files changed, 1 insertions, 1 deletions
diff --git a/Source/main.cpp b/Source/main.cpp
index e02294e0b..b2ea6ea10 100644
--- a/Source/main.cpp
+++ b/Source/main.cpp
@@ -21,7 +21,7 @@ int main(int argc, char* argv[])
     MPI_Init(&argc, &argv);
 #endif
 
-    amrex::Initialize(argc,argv,MPI_COMM_WORLD);
+    amrex::Initialize(argc,argv);
 
     ConvertLabParamsToBoost();