diff --git a/ext/dvdread/dvdreadsrc.c b/ext/dvdread/dvdreadsrc.c
index 471b0f7168..940fc55b41 100644
--- a/ext/dvdread/dvdreadsrc.c
+++ b/ext/dvdread/dvdreadsrc.c
@@ -1632,10 +1632,10 @@ gst_dvd_read_src_uri_get_type (GType type)
   return GST_URI_SRC;
 }
 
-static gchar **
+static const gchar *const *
 gst_dvd_read_src_uri_get_protocols (GType type)
 {
-  static gchar *protocols[] = { (gchar *) "dvd", NULL };
+  static const gchar *protocols[] = { "dvd", NULL };
 
   return protocols;
 }
diff --git a/gst/realmedia/pnmsrc.c b/gst/realmedia/pnmsrc.c
index 64768fccab..a2671af8d4 100644
--- a/gst/realmedia/pnmsrc.c
+++ b/gst/realmedia/pnmsrc.c
@@ -199,10 +199,10 @@ gst_pnm_src_uri_get_type (GType type)
   return GST_URI_SRC;
 }
 
-static gchar **
+static const gchar *const *
 gst_pnm_src_uri_get_protocols (GType type)
 {
-  static gchar *protocols[] = { (gchar *) "pnm", NULL };
+  static const gchar *protocols[] = { "pnm", NULL };
 
   return protocols;
 }