diff --git a/CPPFImdlp.cpp b/CPPFImdlp.cpp
index 1c6234f..b484199 100644
--- a/CPPFImdlp.cpp
+++ b/CPPFImdlp.cpp
@@ -2,6 +2,7 @@
 #include <algorithm>
 #include <set>
 #include <cmath>
+#include <limits>
 #include "CPPFImdlp.h"
 #include "Metrics.h"