diff --git a/src/Metrics/BlinnSolver.cpp b/src/Metrics/BlinnSolver.cpp

index 59f5e5b..b424d46 100644

--- a/src/Metrics/BlinnSolver.cpp

+++ b/src/Metrics/BlinnSolver.cpp

@@ -18,6 +18,7 @@

 #include <cmath>

 #include <algorithm>

+#include <limits>

 #include "BlinnSolver.h"

 int GetExponent(double a) {