diff --git a/src/VirtualFluids_GPU/Communication/Communicator.cpp b/src/VirtualFluids_GPU/Communication/Communicator.cpp
index c094f3c7707acdd0afb66e9119078f9d8c185f9d..d362f79b46a3266f5371adeb678b8c874bb3110a 100644
--- a/src/VirtualFluids_GPU/Communication/Communicator.cpp
+++ b/src/VirtualFluids_GPU/Communication/Communicator.cpp
@@ -152,6 +152,10 @@ void Communicator::barrierGPU()
 	//printf("\n End Waitall \n");
 	//fflush(stdout);
 }
+void Communicator::barrier()
+{
+	MPI_Barrier(commGPU);
+}
 
 //////////////////////////////////////////////////////////////////////////
 void Communicator::exchngDataGeo( int* sbuf_t, int* rbuf_t, int* sbuf_b, int* rbuf_b, int count )
diff --git a/src/VirtualFluids_GPU/Communication/Communicator.h b/src/VirtualFluids_GPU/Communication/Communicator.h
index 94dd51406fa4b8a141c05bfc7fa7db14c12cdb65..47bc3e632119934df9d80038566bf888695ad5cd 100644
--- a/src/VirtualFluids_GPU/Communication/Communicator.h
+++ b/src/VirtualFluids_GPU/Communication/Communicator.h
@@ -45,6 +45,7 @@ public:
    void waitGPU(int id);
    void resetRequest();
    void barrierGPU();
+   void barrier();
    //////////////////////////////////////////////////////////////////////////
    void exchngDataGeo(int* sbuf_t, int* rbuf_t, int* sbuf_b, int* rbuf_b, int count);
 	MPI_Comm getCommunicator();