diff --git a/Code/Tools/ProjectManager/Source/Settings.h b/Code/Tools/ProjectManager/Source/Settings.h
index a3b2a7212e..416d17b53b 100644
--- a/Code/Tools/ProjectManager/Source/Settings.h
+++ b/Code/Tools/ProjectManager/Source/Settings.h
@@ -10,6 +10,7 @@
 
 #include <SettingsInterface.h>
 
+#include <AzCore/std/string/string.h>
 #include <AzCore/std/containers/set.h>
 
 namespace AZ