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) {