diff --git a/library/ColorText.cpp b/library/ColorText.cpp
index 2811a7117..359b717e6 100644
--- a/library/ColorText.cpp
+++ b/library/ColorText.cpp
@@ -47,6 +47,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "ColorText.h"
 #include "MiscUtils.h"
 
+#include <algorithm>
 #include <cstdio>
 #include <cstdlib>
 #include <sstream>