diff --git a/src/BC1/BC1Encoder.cpp b/src/BC1/BC1Encoder.cpp
index ff321b0..b8927d7 100644
--- a/src/BC1/BC1Encoder.cpp
+++ b/src/BC1/BC1Encoder.cpp
@@ -23,6 +23,7 @@
 #include <array>
 #include <cmath>
 #include <cstdint>
+#include <climits>
 #include <memory>
 
 #include "../BlockView.h"