diff --git a/gst/modplug/gstmodplug.cc b/gst/modplug/gstmodplug.cc
index 4a84a7d873..c0991e4bd8 100644
--- a/gst/modplug/gstmodplug.cc
+++ b/gst/modplug/gstmodplug.cc
@@ -360,6 +360,7 @@ gst_modplug_src_event (GstPad *pad, GstEvent *event)
     res = FALSE;
     break;
   }
+  gst_event_unref (event);
 
   return res;
 }
@@ -385,17 +386,26 @@ gst_modplug_loop (GstElement *element)
     if ( GST_IS_EVENT (buffer_in) ) {
       GstEvent *event = GST_EVENT (buffer_in);
 		
-      if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) 
+      if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
+         gst_event_unref (event);
          break;
+      }
+      gst_event_unref (event);
     }
     else
     {
       if ( modplug->Buffer ) {	 
-        modplug->Buffer = gst_buffer_append( modplug->Buffer, buffer_in );
+        GstBuffer *merge;
+
+        merge = gst_buffer_merge( modplug->Buffer, buffer_in );
         gst_buffer_unref( buffer_in );	 	  
+        gst_buffer_unref( modplug->Buffer );	 	  
+
+	modplug->Buffer = merge;
       }
-      else
+      else {
         modplug->Buffer = buffer_in;
+      }
     }
   }  
 
diff --git a/gst/mpeg1videoparse/gstmp1videoparse.c b/gst/mpeg1videoparse/gstmp1videoparse.c
index 74efd0d984..94263deaec 100644
--- a/gst/mpeg1videoparse/gstmp1videoparse.c
+++ b/gst/mpeg1videoparse/gstmp1videoparse.c
@@ -257,9 +257,15 @@ gst_mp1videoparse_real_chain (Mp1VideoParse *mp1videoparse, GstBuffer *buf, GstP
  
 
   if (mp1videoparse->partialbuf) {
+    GstBuffer *merge;
+
     offset = GST_BUFFER_SIZE(mp1videoparse->partialbuf);
-    mp1videoparse->partialbuf = gst_buffer_append(mp1videoparse->partialbuf, buf);
+    merge = gst_buffer_merge(mp1videoparse->partialbuf, buf);
+
+    gst_buffer_unref(mp1videoparse->partialbuf);
     gst_buffer_unref(buf);
+
+    mp1videoparse->partialbuf = merge;
   }
   else {
     mp1videoparse->partialbuf = buf;
diff --git a/gst/mpeg2sub/gstmpeg2subt.c b/gst/mpeg2sub/gstmpeg2subt.c
index d227b8d84f..45f42537a4 100644
--- a/gst/mpeg2sub/gstmpeg2subt.c
+++ b/gst/mpeg2sub/gstmpeg2subt.c
@@ -366,7 +366,7 @@ gst_mpeg2subt_chain_subtitle (GstPad *pad, GstBuffer *buf)
   /* deal with partial frame from previous buffer */
   if (mpeg2subt->partialbuf) {
 
-    mpeg2subt->partialbuf = gst_buffer_append(mpeg2subt->partialbuf, buf);;
+    mpeg2subt->partialbuf = gst_buffer_merge(mpeg2subt->partialbuf, buf);;
     /* and the one we received.. */
     gst_buffer_unref(buf);
   }