diff --git a/backtracking/subset_sum.cpp b/backtracking/subset_sum.cpp
index e50cc3d67..ed61b8882 100644
--- a/backtracking/subset_sum.cpp
+++ b/backtracking/subset_sum.cpp
@@ -75,7 +75,7 @@ static void test() {
     // Test 3
     std::cout << "3rd test ";
     std::vector<int> array3 = {1, 1, 1, 1};
-    assert(backtracking::Subsets::subset_sum(1, array3) ==
+    assert(backtracking::subset_sum::subset_sum(1, array3) ==
            4);  // here we are expecting 4 subsets which sum up to 1 i.e.
                 // {(1),(1),(1),(1)}
     std::cout << "passed" << std::endl;