diff --git a/libavcodec/sgidec.c b/libavcodec/sgidec.c
index 7c751f6adc..04cfcd0353 100644
--- a/libavcodec/sgidec.c
+++ b/libavcodec/sgidec.c
@@ -118,16 +118,15 @@ static int read_rle_sgi(uint8_t *out_buf, SgiState *s)
 /**
  * Read an uncompressed SGI image.
  * @param out_buf output buffer
- * @param out_end end ofoutput buffer
  * @param s the current image state
  * @return 0 if read success, otherwise return -1.
  */
-static int read_uncompressed_sgi(unsigned char *out_buf, uint8_t *out_end,
-                                 SgiState *s)
+static int read_uncompressed_sgi(unsigned char *out_buf, SgiState *s)
 {
     int x, y, z;
     unsigned int offset = s->height * s->width * s->bytes_per_channel;
     GetByteContext gp[4];
+    uint8_t *out_end;
 
     /* Test buffer size. */
     if (offset * s->depth > bytestream2_get_bytes_left(&s->g))
@@ -228,7 +227,7 @@ static int decode_frame(AVCodecContext *avctx,
     if (rle) {
         ret = read_rle_sgi(out_end, s);
     } else {
-        ret = read_uncompressed_sgi(out_buf, out_end, s);
+        ret = read_uncompressed_sgi(out_buf, s);
     }
 
     if (ret == 0) {