diff --git a/src/ifcparse/IfcCharacterDecoder.cpp b/src/ifcparse/IfcCharacterDecoder.cpp
index 4ccd2ee465..0841b780a2 100644
--- a/src/ifcparse/IfcCharacterDecoder.cpp
+++ b/src/ifcparse/IfcCharacterDecoder.cpp
@@ -28,6 +28,7 @@
 #include <sstream>
 #include <iomanip>
 #include <codecvt>
+#include <algorithm>
 
 #include "../ifcparse/IfcCharacterDecoder.h"
 #include "../ifcparse/IfcException.h"
@@ -418,4 +419,4 @@ std::u32string IfcUtil::convert_utf8_to_utf32(const std::string& s) {
 	return std::wstring_convert<std::codecvt_utf8<std::u32string::value_type>, std::u32string::value_type>().from_bytes(s);
 }
 
-#endif
\ No newline at end of file
+#endif