diff --git a/src/declarativeimports/locale/locale_p.h b/src/declarativeimports/locale/locale_p.h
index 4503c7010..f28110efe 100644
--- a/src/declarativeimports/locale/locale_p.h
+++ b/src/declarativeimports/locale/locale_p.h
@@ -671,6 +671,7 @@ public:
     };
 
     Q_DECLARE_FLAGS(DateTimeComponents, DateTimeComponent)
+    Q_FLAGS(DateTimeComponents)
 
     /**
      * Format for date string.
@@ -709,6 +710,7 @@ public:
     };
 
     Q_DECLARE_FLAGS(DateTimeFormatOptions, DateTimeFormatOption)
+    Q_FLAGS(DateTimeFormatOptions)
 
     /**
      * Returns a string formatted to the current locale's conventions
@@ -756,6 +758,7 @@ public:
     };
 
     Q_DECLARE_FLAGS(TimeFormatOptions, TimeFormatOption)
+    Q_FLAGS(TimeFormatOptions)
 
     /**
      *
@@ -937,6 +940,7 @@ public:
     };
 
     Q_DECLARE_FLAGS(TimeProcessingOptions, TimeProcessingOption)
+    Q_FLAGS(TimeProcessingOptions)
 
     /**
      *