diff --git a/numerical_methods/golden_search_extrema.cpp b/numerical_methods/golden_search_extrema.cpp
index 44e8e2c12..41bf9c8d3 100644
--- a/numerical_methods/golden_search_extrema.cpp
+++ b/numerical_methods/golden_search_extrema.cpp
@@ -128,7 +128,7 @@ void test3() {
 
 /** Main function */
 int main() {
-    std::cout.precision(18);
+    std::cout.precision(9);
 
     std::cout << "Computations performed with machine epsilon: " << EPSILON
               << "\n";