diff --git a/libs/gst/base/gstadapter.c b/libs/gst/base/gstadapter.c
index 7d54acf642..837c45f421 100644
--- a/libs/gst/base/gstadapter.c
+++ b/libs/gst/base/gstadapter.c
@@ -406,7 +406,7 @@ gst_adapter_try_to_merge_up (GstAdapter * adapter, gsize size)
  * Returns: (transfer none) (array length=size): a pointer to the first
  *     @size bytes of data, or NULL
  */
-const guint8 *
+const gpointer
 gst_adapter_map (GstAdapter * adapter, gsize size)
 {
   GstBuffer *cur;
@@ -515,7 +515,7 @@ gst_adapter_unmap (GstAdapter * adapter, gsize flush)
  * Since: 0.10.12
  */
 void
-gst_adapter_copy (GstAdapter * adapter, guint8 * dest, gsize offset, gsize size)
+gst_adapter_copy (GstAdapter * adapter, gpointer dest, gsize offset, gsize size)
 {
   g_return_if_fail (GST_IS_ADAPTER (adapter));
   g_return_if_fail (size > 0);
@@ -658,10 +658,10 @@ gst_adapter_take_internal (GstAdapter * adapter, gsize nbytes)
  * Returns: (transfer full) (array length=nbytes): oven-fresh hot data, or
  *     #NULL if @nbytes bytes are not available
  */
-guint8 *
+gpointer
 gst_adapter_take (GstAdapter * adapter, gsize nbytes)
 {
-  guint8 *data;
+  gpointer data;
 
   g_return_val_if_fail (GST_IS_ADAPTER (adapter), NULL);
   g_return_val_if_fail (nbytes > 0, NULL);
diff --git a/libs/gst/base/gstadapter.h b/libs/gst/base/gstadapter.h
index eb1940404b..77131fca00 100644
--- a/libs/gst/base/gstadapter.h
+++ b/libs/gst/base/gstadapter.h
@@ -57,7 +57,7 @@ struct _GstAdapter {
   gsize         skip;
 
   /* we keep state of assembled pieces */
-  guint8 *      assembled_data;
+  gpointer      assembled_data;
   gsize         assembled_size;
   gsize         assembled_len;
 
@@ -79,12 +79,12 @@ GstAdapter *            gst_adapter_new                 (void);
 
 void                    gst_adapter_clear               (GstAdapter *adapter);
 void                    gst_adapter_push                (GstAdapter *adapter, GstBuffer* buf);
-const guint8 *          gst_adapter_map                 (GstAdapter *adapter, gsize size);
+const gpointer          gst_adapter_map                 (GstAdapter *adapter, gsize size);
 void                    gst_adapter_unmap               (GstAdapter *adapter, gsize flush);
-void                    gst_adapter_copy                (GstAdapter *adapter, guint8 *dest,
+void                    gst_adapter_copy                (GstAdapter *adapter, gpointer dest,
                                                          gsize offset, gsize size);
 void                    gst_adapter_flush               (GstAdapter *adapter, gsize flush);
-guint8*                 gst_adapter_take                (GstAdapter *adapter, gsize nbytes);
+gpointer                gst_adapter_take                (GstAdapter *adapter, gsize nbytes);
 GstBuffer*              gst_adapter_take_buffer         (GstAdapter *adapter, gsize nbytes);
 GList*                  gst_adapter_take_list           (GstAdapter *adapter, gsize nbytes);
 gsize                   gst_adapter_available           (GstAdapter *adapter);