diff --git a/utils.cpp b/utils.cpp
index b4721750d..ff007d385 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -4,6 +4,7 @@
 #include <cstring>
 #include <fstream>
 #include <string>
+#include <iterator>
 
  #if defined(_MSC_VER) || defined(__MINGW32__)
  #include <malloc.h> // using malloc.h with MSC/MINGW