diff --git a/SelectionSort/C++/Selection-sort.cpp b/SelectionSort/C++/Selection-sort.cpp
index a134350a3..ee0ff8627 100644
--- a/SelectionSort/C++/Selection-sort.cpp
+++ b/SelectionSort/C++/Selection-sort.cpp
@@ -2,7 +2,7 @@
 
 using namespace::std;
 void selection(int n, int a[20]){
-    int k,i,temp,min;
+    int k,i,temp,min,mm;
     for(i=0; i<n-1; i++){
         min=i;
         for(k=i+1; k<n; k++){