11328155b0e56a7d1affc089c7747040f7920020
diff --git a/gtk/gtkselection.h b/gtk/gtkselection.h
index 55bfcad..2ea502b 100644
--- a/gtk/gtkselection.h
+++ b/gtk/gtkselection.h
@@ -67,9 +67,9 @@ struct _GtkSelectionData
 };
 
 struct _GtkTargetEntry {
-  gchar *target;
-  guint  flags;
-  guint  info;
+  const gchar *target;
+  guint        flags;
+  guint        info;
 };
 
 /* These structures not public, and are here only for the convenience of
