diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
index 62c8189c94..dea02ff8e8 100644
--- a/libavcodec/jpeglsdec.c
+++ b/libavcodec/jpeglsdec.c
@@ -224,6 +224,9 @@ static inline void ls_decode_line(JLSState *state, MJpegDecodeContext *s,
     while (x < w) {
         int err, pred;
 
+        if (get_bits_left(&s->gb) <= 0)
+            return;
+
         /* compute gradients */
         Ra = x ? R(dst, x - stride) : R(last, x);
         Rb = R(last, x);