diff --git a/Code/Framework/AzCore/AzCore/std/string/conversions.h b/Code/Framework/AzCore/AzCore/std/string/conversions.h
index b7887339e2..be71e12275 100644
--- a/Code/Framework/AzCore/AzCore/std/string/conversions.h
+++ b/Code/Framework/AzCore/AzCore/std/string/conversions.h
@@ -8,6 +8,7 @@
 #pragma once
 
 #include <AzCore/std/string/string.h>
+#include <AzCore/std/string/fixed_string.h>
 
 #include <ctype.h>
 #include <wctype.h>