diff --git a/ChangeLog b/ChangeLog
index c236069f05..b8996eab68 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-01-08  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* libs/gst/base/gstbasetransform.c:
+	  (gst_base_transform_transform_size):
+	  Print element name with g_warning() if there's a problem
+	  with the unit size.
+
 2008-01-07  David Schleef  <ds@schleef.org>
 
 	Patch by: Damien Lespiau <damien.lespiau@gmail.com>
diff --git a/libs/gst/base/gstbasetransform.c b/libs/gst/base/gstbasetransform.c
index 40b52d29b9..fc9f9671c2 100644
--- a/libs/gst/base/gstbasetransform.c
+++ b/libs/gst/base/gstbasetransform.c
@@ -526,20 +526,21 @@ gst_base_transform_transform_size (GstBaseTransform * trans,
 no_in_size:
   {
     GST_DEBUG_OBJECT (trans, "could not get in_size");
-    g_warning ("could not get in_size");
+    g_warning ("%s: could not get in_size", GST_ELEMENT_NAME (trans));
     return FALSE;
   }
 no_multiple:
   {
     GST_DEBUG_OBJECT (trans, "Size %u is not a multiple of unit size %u", size,
         inunitsize);
-    g_warning ("Size %u is not a multiple of unit size %u", size, inunitsize);
+    g_warning ("%s: size %u is not a multiple of unit size %u",
+        GST_ELEMENT_NAME (trans), size, inunitsize);
     return FALSE;
   }
 no_out_size:
   {
     GST_DEBUG_OBJECT (trans, "could not get out_size");
-    g_warning ("could not get out_size");
+    g_warning ("%s: could not get out_size", GST_ELEMENT_NAME (trans));
     return FALSE;
   }
 }