diff --git a/gst-libs/gst/audio/audio-converter.h b/gst-libs/gst/audio/audio-converter.h
index aa9c4ef514..99d12bb524 100644
--- a/gst-libs/gst/audio/audio-converter.h
+++ b/gst-libs/gst/audio/audio-converter.h
@@ -26,6 +26,8 @@
 #include <gst/gst.h>
 #include <gst/audio/audio.h>
 
+G_BEGIN_DECLS
+
 typedef struct _GstAudioConverter GstAudioConverter;
 
 /**
@@ -154,4 +156,6 @@ gboolean             gst_audio_converter_samples         (GstAudioConverter * co
 GST_EXPORT
 gboolean             gst_audio_converter_supports_inplace (GstAudioConverter *convert);
 
+G_END_DECLS
+
 #endif /* __GST_AUDIO_CONVERTER_H__ */