diff --git a/gst/adder/gstadder.c b/gst/adder/gstadder.c
index 60f1741319..2597bf3a2c 100644
--- a/gst/adder/gstadder.c
+++ b/gst/adder/gstadder.c
@@ -149,29 +149,38 @@ gst_adder_parse_caps (GstAdder *adder, GstCaps *caps)
 
       /* provide an error message if we can't link */
       if (adder->format != GST_ADDER_FORMAT_INT) {
-        gst_element_error (el, "can't link a non-int pad to an int adder");
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf("can't link a non-int pad to an int adder"));
         return FALSE;
       }
       if (adder->channels != channels) {
-        gst_element_error (el,
-                           "can't link %d-channel pad with %d-channel adder",
-                           channels, adder->channels);
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf( "can't link %d-channel pad with %d-channel adder",
+                           channels, adder->channels));
        return FALSE;
       }
       if (adder->rate != rate) {
-        gst_element_error (el, "can't link %d Hz pad with %d Hz adder",
-                           rate, adder->rate);
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf ("can't link %d Hz pad with %d Hz adder", 
+                           rate, adder->rate));
        return FALSE;
       }
       if (adder->width != width) {
-        gst_element_error (el, "can't link %d-bit pad with %d-bit adder",
-                           width, adder->width);
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf ("can't link %d-bit pad with %d-bit adder",
+                           width, adder->width));
        return FALSE;
       }
       if (adder->is_signed != is_signed) {
-        gst_element_error (el, "can't link %ssigned pad with %ssigned adder",
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf ("can't link %ssigned pad with %ssigned adder",
                            adder->is_signed ? "" : "un",
-                           is_signed ? "" : "un");
+                           is_signed ? "" : "un"));
        return FALSE;
       }
     } else if (strcmp (mimetype, "audio/x-raw-float") == 0) {
@@ -182,23 +191,30 @@ gst_adder_parse_caps (GstAdder *adder, GstCaps *caps)
       gst_caps_get_int (caps, "rate",      &rate);
 
       if (adder->format != GST_ADDER_FORMAT_FLOAT) {
-        gst_element_error (el, "can't link a non-float pad to a float adder");
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf("can't link a non-float pad to a float adder"));
         return FALSE;
       }
       if (adder->channels != channels) {
-        gst_element_error (el,
-                           "can't link %d-channel pad with %d-channel adder",
-                           channels, adder->channels);
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf ("can't link %d-channel pad with %d-channel adder",
+                           channels, adder->channels));
         return FALSE;
       }
       if (adder->rate != rate) {
-        gst_element_error (el, "can't link %d Hz pad with %d Hz adder",
-                           rate, adder->rate);
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf( "can't link %d Hz pad with %d Hz adder",
+                           rate, adder->rate));
         return FALSE;
       }
       if (adder->width != width) {
-        gst_element_error (el, "can't link %d bit float pad with %d bit adder",
-                           width, adder->width);
+        gst_element_gerror(el, GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf( "can't link %d bit float pad with %d bit adder",
+                           width, adder->width));
         return FALSE;
       }
     }
@@ -407,7 +423,9 @@ gst_adder_loop (GstElement *element)
   buf_out = gst_buffer_new_from_pool (adder->bufpool, 0, 0);
 
   if (buf_out == NULL) {
-    gst_element_error (GST_ELEMENT (adder), "could not get new output buffer");
+    gst_element_gerror(GST_ELEMENT (adder), GST_ERROR_UNKNOWN,
+      g_strdup ("unconverted error, file a bug"),
+      g_strdup_printf("could not get new output buffer"));
     return;
   }
 
@@ -495,9 +513,10 @@ gst_adder_loop (GstElement *element)
           for (i = 0; i < GST_BUFFER_SIZE (buf_out); i++)
             out[i] = CLAMP(out[i] + in[i], 0x80, 0x7f);
         } else {
-          gst_element_error (GST_ELEMENT (adder),
-		     "invalid width (%u) for integer audio in gstadder",
-		     adder->width);
+          gst_element_gerror(GST_ELEMENT (adder), GST_ERROR_UNKNOWN,
+            g_strdup ("unconverted error, file a bug"),
+            g_strdup_printf ("invalid width (%u) for integer audio in gstadder",
+			     adder->width));
 	  return;
         }
       } else if (adder->format == GST_ADDER_FORMAT_FLOAT) {
@@ -512,15 +531,17 @@ gst_adder_loop (GstElement *element)
           for (i = 0; i < GST_BUFFER_SIZE (buf_out) / sizeof (gfloat); i++)
             out[i] = CLAMP(out[i] + in[i], -1.0, 1.0);
         } else {
-          gst_element_error (GST_ELEMENT (adder),
-                     "invalid width (%u) for float audio in gstadder",
-                     adder->width);
+          gst_element_gerror(GST_ELEMENT (adder), GST_ERROR_UNKNOWN,
+            g_strdup ("unconverted error, file a bug"),
+            g_strdup_printf ("invalid width (%u) for float audio in gstadder",
+                             adder->width));
           return;
         }
       } else {
-        gst_element_error (GST_ELEMENT (adder),
-	           "invalid audio format (%d) in gstadder",
-	           adder->format);
+        gst_element_gerror(GST_ELEMENT (adder), GST_ERROR_UNKNOWN,
+          g_strdup ("unconverted error, file a bug"),
+          g_strdup_printf("invalid audio format (%d) in gstadder",
+			  adder->format));
 	return;
       }
 
@@ -537,9 +558,9 @@ gst_adder_loop (GstElement *element)
                     GST_AUDIO_INT_PAD_TEMPLATE_PROPS);
 
     if (gst_pad_try_set_caps (adder->srcpad, caps) < 0) {
-      gst_element_error (GST_ELEMENT (adder),
-                         "Couldn't set the default caps, "
-                         "use link_filtered instead");
+      gst_element_gerror(GST_ELEMENT (adder), GST_ERROR_UNKNOWN,
+        g_strdup ("unconverted error, file a bug"),
+        g_strdup ("Couldn't set the default caps, use link_filtered instead"));
       return;
     }
 
diff --git a/gst/audioconvert/gstaudioconvert.c b/gst/audioconvert/gstaudioconvert.c
index c249cae9c1..aae4138b5b 100644
--- a/gst/audioconvert/gstaudioconvert.c
+++ b/gst/audioconvert/gstaudioconvert.c
@@ -334,9 +334,10 @@ gst_audio_convert_chain (GstPad *pad, GstBuffer *buf)
 
   if (!this->caps_set[1]) {
     if (!gst_audio_convert_set_caps (this->src)) {
-      gst_element_error (GST_ELEMENT (this),
-                         "AudioConvert: could not set caps on pad %s",
-                         GST_PAD_NAME(this->src));
+      gst_element_gerror(GST_ELEMENT (this), GST_ERROR_UNKNOWN,
+        g_strdup ("unconverted error, file a bug"),
+        g_strdup_printf("AudioConvert: could not set caps on pad %s",
+                        GST_PAD_NAME(this->src)));
       return;
     }
   }