diff --git a/HW10/ParseMatrixForMPI.h b/HW10/ParseMatrixForMPI.h
index f76d13c..b4f1a46 100644
--- a/HW10/ParseMatrixForMPI.h
+++ b/HW10/ParseMatrixForMPI.h
@@ -24,7 +24,7 @@ namespace matrixTools
         std::vector<T> rVector((rowSize*columnSize), 0);
         for (int i = 0; i < columnSize; i++) {
             for (int j = 0; j < rowSize; j++) {
-                rVector[i + j] = matrix[i][j];
+                rVector[j*i] = matrix[i][j];
             }
         }
         return rVector;