diff --git a/include/fileParse/StringConversion.hxx b/include/fileParse/StringConversion.hxx
index ac93e2f..8f2ba2d 100644
--- a/include/fileParse/StringConversion.hxx
+++ b/include/fileParse/StringConversion.hxx
@@ -7,6 +7,7 @@
 #include <string>
 #include <array>
 #include <map>
+#include <algorithm>
 
 namespace FileParse
 {