diff --git a/gst/gstpipeline.c b/gst/gstpipeline.c
index 18c73fcffa..b215697248 100644
--- a/gst/gstpipeline.c
+++ b/gst/gstpipeline.c
@@ -114,7 +114,7 @@ gst_pipeline_init (GstPipeline *pipeline)
  * Returns: newly created GstPipeline
  */
 GstElement*
-gst_pipeline_new (const guchar *name) 
+gst_pipeline_new (const gchar *name) 
 {
   return gst_elementfactory_make ("pipeline", name);
 }
diff --git a/gst/gstpipeline.h b/gst/gstpipeline.h
index 46209b7661..435a1f2d76 100644
--- a/gst/gstpipeline.h
+++ b/gst/gstpipeline.h
@@ -57,7 +57,7 @@ struct _GstPipelineClass {
 };
 
 GType		gst_pipeline_get_type		(void);
-GstElement*	gst_pipeline_new		(const guchar *name);
+GstElement*	gst_pipeline_new		(const gchar *name);
 #define		gst_pipeline_destroy(pipeline)	gst_object_destroy(GST_OBJECT(pipeline))
 
 void		gst_pipeline_iterate		(GstPipeline *pipeline);
diff --git a/gst/gstthread.c b/gst/gstthread.c
index 27ae96c6d7..608e1f2cba 100644
--- a/gst/gstthread.c
+++ b/gst/gstthread.c
@@ -227,7 +227,7 @@ gst_thread_get_property (GObject *object, guint prop_id, GValue *value, GParamSp
  * Returns: The new thread
  */
 GstElement*
-gst_thread_new (const guchar *name)
+gst_thread_new (const gchar *name)
 {
   return gst_elementfactory_make ("thread", name);
 }
diff --git a/gst/gstthread.h b/gst/gstthread.h
index a75261e3e6..961457679c 100644
--- a/gst/gstthread.h
+++ b/gst/gstthread.h
@@ -82,7 +82,7 @@ struct _GstThreadClass {
 
 GType 	gst_thread_get_type	(void);
 
-GstElement*	gst_thread_new		(const guchar *name);
+GstElement*	gst_thread_new		(const gchar *name);
 
 #ifdef __cplusplus
 }