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-rw-r--r--libavfilter/af_aiir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/af_aiir.c b/libavfilter/af_aiir.c
index ffe2606da6..ac9558b8aa 100644
--- a/libavfilter/af_aiir.c
+++ b/libavfilter/af_aiir.c
@@ -514,7 +514,7 @@ static int decompose_zp2biquads(AVFilterContext *ctx, int channels)
}
}
- for (i = 0; i < iir->nb_ab[1]; i++) {
+ for (i = 0; i < iir->nb_ab[0]; i++) {
if (isnan(iir->ab[0][2 * i]) || isnan(iir->ab[0][2 * i + 1]))
continue;