1 files changed, 4 insertions, 2 deletions
diff --git a/ext/speex/gstspeexenc.c b/ext/speex/gstspeexenc.c
index 429c7c7a..f6d97467 100644
--- a/ext/speex/gstspeexenc.c
+++ b/ext/speex/gstspeexenc.c
@@ -841,11 +841,13 @@ static GstCaps *
 gst_speexenc_set_header_on_caps (GstCaps * caps, GstBuffer * buf1,
     GstBuffer * buf2)
 {
-  caps = gst_caps_make_writable (caps);
-  GstStructure *structure = gst_caps_get_structure (caps, 0);
+  GstStructure *structure = NULL;
   GValue array = { 0 };
   GValue value = { 0 };
 
+  caps = gst_caps_make_writable (caps);
+  structure = gst_caps_get_structure (caps, 0);
+
   /* mark buffers */
   GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_FLAG_IN_CAPS);
   GST_BUFFER_FLAG_SET (buf2, GST_BUFFER_FLAG_IN_CAPS);