diff --git a/libavcodec/aic.c b/libavcodec/aic.c
index 4782294118d74488d94bf4a9e04e153d0b907a43..aff740cb44b866d9a149c13009fa5918dc59fe0b 100644
--- a/libavcodec/aic.c
+++ b/libavcodec/aic.c
@@ -444,7 +444,7 @@ static av_cold int aic_decode_init(AVCodecContext *avctx)
     ctx->num_x_slices = (ctx->mb_width + 15) >> 4;
     ctx->slice_width  = 16;
     for (i = 1; i < 32; i++) {
-        if (!(ctx->mb_width % i) && (ctx->mb_width / i < 32)) {
+        if (!(ctx->mb_width % i) && (ctx->mb_width / i <= 32)) {
             ctx->slice_width  = ctx->mb_width / i;
             ctx->num_x_slices = i;
             break;