diff --git a/HW10/MakePermutationMatrix.cpp b/HW10/MakePermutationMatrix.cpp
index d8173e3..7c5328a 100644
--- a/HW10/MakePermutationMatrix.cpp
+++ b/HW10/MakePermutationMatrix.cpp
@@ -21,7 +21,7 @@ std::vector<double> MakePermutationMatrix::MakePermutation(std::vector<City> sou
 
     //the "nextPerm" is the permutation to stop at.
     if(rank != size-1)
-        std::rotate(nextPerm.begin(), nextPerm.begin() + (rank + 1 + vectorOffset), nextPerm.end());
+        std::rotate(nextPerm.begin(), nextPerm.begin() + (rank + vectorOffset), nextPerm.end());
 
     std::partial_sort(nextPerm.begin()+1, nextPerm.end(), nextPerm.end());
     //rotate my perm.