diff --git a/cpp/include/algorithm/searching/binary_search.hpp b/cpp/include/algorithm/searching/binary_search.hpp
index cff1a076..745e3431 100644
--- a/cpp/include/algorithm/searching/binary_search.hpp
+++ b/cpp/include/algorithm/searching/binary_search.hpp
@@ -30,11 +30,12 @@
 template <typename T>
 int binary_search(const T& value, const std::vector<T>& sorted_values,
         const int low, const int high) {
+    
     int mid = low + (high - low) / 2;
 
     if (value == sorted_values[mid])
         return mid;
-    else if (low <= high) {
+    else if (low < high) {
         if (value < sorted_values[mid]) {
             // value must be between indices low and mid-1, if exists
             return binary_search(value, sorted_values, low, mid - 1);