diff --git a/src/common/componentTools.h b/src/common/componentTools.h
index 692fc8926..2923003a2 100644
--- a/src/common/componentTools.h
+++ b/src/common/componentTools.h
@@ -20,6 +20,10 @@
 #ifndef KIWIX_COMPONENTTOOLS_H
 #define KIWIX_COMPONENTTOOLS_H
 
+#ifdef _WIN32
+  #include <mozilla/Char16.h>
+#endif
+
 #include<string>
 
 #ifdef __APPLE__