diff --git a/libavcodec/amr.c b/libavcodec/amr.c
index 3c089aaf0f..7a6bf0bae5 100644
--- a/libavcodec/amr.c
+++ b/libavcodec/amr.c
@@ -607,9 +607,9 @@ static int amr_wb_encode_close(AVCodecContext * avctx)
 static int amr_wb_encode_frame(AVCodecContext *avctx,
                             unsigned char *frame/*out*/, int buf_size, void *data/*in*/)
 {
-    AMRWBContext *s;
+    AMRWBContext *s = (AMRWBContext*) avctx->priv_data;
     int size;
-    s = (AMRWBContext*) avctx->priv_data;
+
     s->mode=getWBBitrateMode(avctx->bit_rate);
     size = E_IF_encode(s->state, s->mode, data, frame, s->allow_dtx);
     return size;