diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index a96d3cd5d4..5d0604eea9 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -494,7 +494,8 @@ static int decode_frame(AVCodecContext *avctx,
                 } else if (s->bit_depth == 16 &&
                            s->color_type == PNG_COLOR_TYPE_RGB_ALPHA) {
                     avctx->pix_fmt = PIX_FMT_RGBA64BE;
-                } else if (s->color_type == PNG_COLOR_TYPE_PALETTE) {
+                } else if ((s->bits_per_pixel == 1 || s->bits_per_pixel == 2 || s->bits_per_pixel == 4 || s->bits_per_pixel == 8) &&
+                           s->color_type == PNG_COLOR_TYPE_PALETTE) {
                     avctx->pix_fmt = PIX_FMT_PAL8;
                 } else if (s->bit_depth == 1) {
                     avctx->pix_fmt = PIX_FMT_MONOBLACK;