diff --git a/gst-libs/gst/rtp/gstrtcpbuffer.c b/gst-libs/gst/rtp/gstrtcpbuffer.c
index c09079b52e..a6b38c1414 100644
--- a/gst-libs/gst/rtp/gstrtcpbuffer.c
+++ b/gst-libs/gst/rtp/gstrtcpbuffer.c
@@ -79,7 +79,7 @@ gst_rtcp_buffer_new_take_data (gpointer data, guint len)
  * Returns: A newly allocated buffer with a copy of @data and of size @len.
  */
 GstBuffer *
-gst_rtcp_buffer_new_copy_data (gpointer data, guint len)
+gst_rtcp_buffer_new_copy_data (gconstpointer data, guint len)
 {
   return gst_rtcp_buffer_new_take_data (g_memdup (data, len), len);
 }
diff --git a/gst-libs/gst/rtp/gstrtcpbuffer.h b/gst-libs/gst/rtp/gstrtcpbuffer.h
index 06baa334ee..2403e2f69b 100644
--- a/gst-libs/gst/rtp/gstrtcpbuffer.h
+++ b/gst-libs/gst/rtp/gstrtcpbuffer.h
@@ -228,7 +228,7 @@ GST_EXPORT
 GstBuffer*      gst_rtcp_buffer_new_take_data     (gpointer data, guint len);
 
 GST_EXPORT
-GstBuffer*      gst_rtcp_buffer_new_copy_data     (gpointer data, guint len);
+GstBuffer*      gst_rtcp_buffer_new_copy_data     (gconstpointer data, guint len);
 
 GST_EXPORT
 gboolean        gst_rtcp_buffer_validate_data     (guint8 *data, guint len);
diff --git a/gst-libs/gst/rtp/gstrtpbuffer.c b/gst-libs/gst/rtp/gstrtpbuffer.c
index d79403cb25..40392f3d57 100644
--- a/gst-libs/gst/rtp/gstrtpbuffer.c
+++ b/gst-libs/gst/rtp/gstrtpbuffer.c
@@ -179,7 +179,7 @@ gst_rtp_buffer_new_take_data (gpointer data, gsize len)
  * Returns: A newly allocated buffer with a copy of @data and of size @len.
  */
 GstBuffer *
-gst_rtp_buffer_new_copy_data (gpointer data, gsize len)
+gst_rtp_buffer_new_copy_data (gconstpointer data, gsize len)
 {
   return gst_rtp_buffer_new_take_data (g_memdup (data, len), len);
 }
diff --git a/gst-libs/gst/rtp/gstrtpbuffer.h b/gst-libs/gst/rtp/gstrtpbuffer.h
index 53ff686d8a..e533aeaeb1 100644
--- a/gst-libs/gst/rtp/gstrtpbuffer.h
+++ b/gst-libs/gst/rtp/gstrtpbuffer.h
@@ -72,7 +72,7 @@ GST_EXPORT
 GstBuffer*      gst_rtp_buffer_new_take_data         (gpointer data, gsize len);
 
 GST_EXPORT
-GstBuffer*      gst_rtp_buffer_new_copy_data         (gpointer data, gsize len);
+GstBuffer*      gst_rtp_buffer_new_copy_data         (gconstpointer data, gsize len);
 
 GST_EXPORT
 GstBuffer*      gst_rtp_buffer_new_allocate          (guint payload_len, guint8 pad_len, guint8 csrc_count);