diff --git a/ext/celt/gstceltenc.c b/ext/celt/gstceltenc.c
index d0c7f80c1a..2dc0528185 100644
--- a/ext/celt/gstceltenc.c
+++ b/ext/celt/gstceltenc.c
@@ -614,8 +614,8 @@ gst_celt_enc_handle_frame (GstAudioEncoder * benc, GstBuffer * buf)
     enc->header_sent = TRUE;
   }
 
-  GST_DEBUG_OBJECT (enc, "received buffer %p of %u bytes", buf,
-      buf ? gst_buffer_get_size (buf) : 0);
+  GST_DEBUG_OBJECT (enc, "received buffer %p of %" G_GSIZE_FORMAT " bytes",
+      buf, buf ? gst_buffer_get_size (buf) : 0);
 
   ret = gst_celt_enc_encode (enc, buf);
 
diff --git a/ext/opencv/gsttemplatematch.c b/ext/opencv/gsttemplatematch.c
index 65f8dbeae8..58a5e8aa7b 100644
--- a/ext/opencv/gsttemplatematch.c
+++ b/ext/opencv/gsttemplatematch.c
@@ -319,7 +319,7 @@ gst_template_match_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
   if ((!filter) || (!buf) || filter->template == NULL) {
     return GST_FLOW_OK;
   }
-  GST_DEBUG_OBJECT (filter, "Buffer size %u ", gst_buffer_get_size (buf));
+  GST_LOG_OBJECT (filter, "Buffer size %u", (guint) gst_buffer_get_size (buf));
 
   buf = gst_buffer_make_writable (buf);
   gst_buffer_map (buf, &info, GST_MAP_READWRITE);
diff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c
index 5847d74c31..bfe680260a 100644
--- a/ext/wayland/gstwaylandsink.c
+++ b/ext/wayland/gstwaylandsink.c
@@ -481,7 +481,7 @@ gst_wayland_sink_render (GstBaseSink * bsink, GstBuffer * buffer)
   GstBuffer *to_render;
   GstWlMeta *meta;
 
-  GST_LOG_OBJECT (sink, "render buffer %p" GST_TIME_FORMAT, buffer);
+  GST_LOG_OBJECT (sink, "render buffer %p", buffer);
 
   if (!sink->window)
     create_window (sink, sink->display, sink->video_width, sink->video_height);
diff --git a/gst/dvbsuboverlay/dvb-sub.c b/gst/dvbsuboverlay/dvb-sub.c
index a1326b4ec6..465ffecacb 100644
--- a/gst/dvbsuboverlay/dvb-sub.c
+++ b/gst/dvbsuboverlay/dvb-sub.c
@@ -1195,7 +1195,7 @@ _dvb_sub_parse_end_of_display_set (DvbSub * dvb_sub, guint16 page_id,
   guint32 *clut_table;
   int i;
 
-  GST_DEBUG ("DISPLAY SET END: page_id = %u, length = %d", page_id);
+  GST_DEBUG ("DISPLAY SET END: page_id = %u", page_id);
 
   sub = g_slice_new0 (DVBSubtitles);
 
diff --git a/gst/festival/gstfestival.c b/gst/festival/gstfestival.c
index faced1f873..08adf8c3dd 100644
--- a/gst/festival/gstfestival.c
+++ b/gst/festival/gstfestival.c
@@ -261,7 +261,7 @@ gst_festival_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
 
   festival = GST_FESTIVAL (parent);
 
-  GST_LOG_OBJECT (festival, "Got text buffer, %u bytes",
+  GST_LOG_OBJECT (festival, "Got text buffer, %" G_GSIZE_FORMAT " bytes",
       gst_buffer_get_size (buf));
 
   f = dup (festival->info->server_fd);
diff --git a/gst/hls/gsthlsdemux.c b/gst/hls/gsthlsdemux.c
index 68ba065e74..f5efc92087 100644
--- a/gst/hls/gsthlsdemux.c
+++ b/gst/hls/gsthlsdemux.c
@@ -1126,7 +1126,7 @@ gst_hls_demux_switch_playlist (GstHLSDemux * demux)
   bitrate = (size * 8) / ((double) diff / GST_SECOND);
 
   GST_DEBUG ("Downloaded %d bytes in %" GST_TIME_FORMAT ". Bitrate is : %d",
-      size, GST_TIME_ARGS (diff), bitrate);
+      (guint) size, GST_TIME_ARGS (diff), bitrate);
 
   gst_buffer_unref (buffer);
   return gst_hls_demux_change_playlist (demux, bitrate * demux->bitrate_limit);