diff --git a/ext/webp/gstwebpdec.h b/ext/webp/gstwebpdec.h
index bf2586e906..6b89470c10 100644
--- a/ext/webp/gstwebpdec.h
+++ b/ext/webp/gstwebpdec.h
@@ -71,4 +71,6 @@ struct _GstWebPDecClass {
 GType gst_webp_dec_get_type (void);
 gboolean gst_webp_dec_register (GstPlugin * plugin);
 
+G_END_DECLS
+
 #endif /* __GST_WEBP_DEC_H__ */
diff --git a/gst-libs/gst/basecamerabinsrc/gstbasecamerasrc.h b/gst-libs/gst/basecamerabinsrc/gstbasecamerasrc.h
index 1b936638ef..828b70088d 100644
--- a/gst-libs/gst/basecamerabinsrc/gstbasecamerasrc.h
+++ b/gst-libs/gst/basecamerabinsrc/gstbasecamerasrc.h
@@ -34,6 +34,7 @@
 #include "gstcamerabinpreview.h"
 
 G_BEGIN_DECLS
+
 #define GST_TYPE_BASE_CAMERA_SRC \
   (gst_base_camera_src_get_type())
 #define GST_BASE_CAMERA_SRC(obj) \
@@ -140,4 +141,6 @@ void gst_base_camera_src_finish_capture (GstBaseCameraSrc *self);
 void gst_base_camera_src_post_preview (GstBaseCameraSrc *self, GstSample * sample);
 // XXX add methods to get/set img capture and vid capture caps..
 
+G_END_DECLS
+
 #endif /* __GST_BASE_CAMERA_SRC_H__ */
diff --git a/gst/camerabin2/gstwrappercamerabinsrc.h b/gst/camerabin2/gstwrappercamerabinsrc.h
index 1dee4ca6aa..ecac40ea59 100644
--- a/gst/camerabin2/gstwrappercamerabinsrc.h
+++ b/gst/camerabin2/gstwrappercamerabinsrc.h
@@ -29,6 +29,7 @@
 #include "camerabingeneral.h"
 
 G_BEGIN_DECLS
+
 #define GST_TYPE_WRAPPER_CAMERA_BIN_SRC \
   (gst_wrapper_camera_bin_src_get_type())
 #define GST_WRAPPER_CAMERA_BIN_SRC(obj) \
@@ -127,4 +128,6 @@ struct _GstWrapperCameraBinSrcClass
 
 gboolean gst_wrapper_camera_bin_src_plugin_init (GstPlugin * plugin);
 
+G_END_DECLS
+
 #endif /* __GST_WRAPPER_CAMERA_BIN_SRC_H__ */
diff --git a/sys/uvch264/gstuvch264_src.h b/sys/uvch264/gstuvch264_src.h
index f972d6d7aa..f220ed0695 100644
--- a/sys/uvch264/gstuvch264_src.h
+++ b/sys/uvch264/gstuvch264_src.h
@@ -35,6 +35,7 @@
 #include "uvc_h264.h"
 
 G_BEGIN_DECLS
+
 #define GST_TYPE_UVC_H264_SRC                   \
   (gst_uvc_h264_src_get_type())
 #define GST_UVC_H264_SRC(obj)                                           \
@@ -158,5 +159,6 @@ struct _GstUvcH264SrcClass
   GstBaseCameraSrcClass parent;
 };
 
+G_END_DECLS
 
 #endif /* __GST_UVC_H264_SRC_H__ */