diff --git a/gobject/gsignal.c b/gobject/gsignal.c
index 137bc003f..a58bbcdb3 100644
--- a/gobject/gsignal.c
+++ b/gobject/gsignal.c
@@ -755,7 +755,7 @@ node_update_single_va_closure (SignalNode *node)
 
   node->single_va_closure_is_valid = TRUE;
   node->single_va_closure = closure;
-  node->single_va_closure_is_after = is_after;
+  node->single_va_closure_is_after = (guint) is_after;
 }
 
 static inline void
diff --git a/gobject/gsignalgroup.c b/gobject/gsignalgroup.c
index 5372e8cc7..19f4427c4 100644
--- a/gobject/gsignalgroup.c
+++ b/gobject/gsignalgroup.c
@@ -736,7 +736,7 @@ g_signal_group_connect_closure_ (GSignalGroup   *self,
   handler->signal_id = signal_id;
   handler->signal_detail = signal_detail;
   handler->closure = g_closure_ref (closure);
-  handler->connect_after = after;
+  handler->connect_after = (guint) after;
 
   g_closure_sink (closure);
 
diff --git a/gobject/gtype.c b/gobject/gtype.c
index 7d03d322a..a374d0ea2 100644
--- a/gobject/gtype.c
+++ b/gobject/gtype.c
@@ -1444,7 +1444,7 @@ type_add_interface_Wm (TypeNode             *node,
    */
   if (node->data)
     {
-      InitState class_state = g_atomic_int_get (&node->data->class.init_state);
+      InitState class_state = (InitState) g_atomic_int_get (&node->data->class.init_state);
       
       if (class_state >= BASE_IFACE_INIT)
         type_iface_vtable_base_init_Wm (iface, node);