diff --git a/ChangeLog b/ChangeLog
index 42e5caa344..e54ca37ede 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-12  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* gst-libs/gst/audio/mixerutils.h:
+	  Add G_BEGIN_DECLS and G_END_DECLS guards so these helpers can be
+	  used when compiling with c++ compilers as well.
+
 2007-01-12  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst/typefind/gsttypefindfunctions.c:
diff --git a/gst-libs/gst/audio/mixerutils.h b/gst-libs/gst/audio/mixerutils.h
index 204a5a9017..cfda7ab7ce 100644
--- a/gst-libs/gst/audio/mixerutils.h
+++ b/gst-libs/gst/audio/mixerutils.h
@@ -23,6 +23,8 @@
 #include <gst/gst.h>
 #include <gst/interfaces/mixer.h>
 
+G_BEGIN_DECLS
+
 /**
  * GstAudioMixerFilterFunc:
  * @mixer: a #GstElement implementing the #GstMixer interface
@@ -43,4 +45,6 @@ GList * gst_audio_default_registry_mixer_filter (GstAudioMixerFilterFunc  filter
                                                  gboolean                 first,
                                                  gpointer                 user_data);
 
+G_END_DECLS
+
 #endif /* __GST_AUDIO_MIXERUTILS_H__ */