diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index 3861813556..3a3eb25d0b 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -1354,7 +1354,9 @@ static int dca_exss_mask2count(int mask)
  */
 static void dca_exss_skip_mix_coeffs(GetBitContext *gb, int channels, int out_ch)
 {
-    for (int i = 0; i < channels; i++) {
+    int i;
+
+    for (i = 0; i < channels; i++) {
         int mix_map_mask = get_bits(gb, out_ch);
         int num_coeffs = av_popcount(mix_map_mask);
         skip_bits_long(gb, num_coeffs * 6);