diff --git a/cs677/hw4/src/transpose.cc b/cs677/hw4/src/transpose.cc
index f991287..2836c50 100644
--- a/cs677/hw4/src/transpose.cc
+++ b/cs677/hw4/src/transpose.cc
@@ -97,7 +97,7 @@ int main(int argc, char * argv[])
         }
         MPI_Gatherv(&col_i_vals_for_proc_p[0], my_num_rows, MPI_INT,
                     &recvbuf[0], &counts[0], &displs[0],
-                    MPI_INT, MPI_COMM_WORLD);
+                    MPI_INT, i, MPI_COMM_WORLD);
     }
 
     /* Put my received entries into my columns of the matrix */