diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 907943eecd..b7978936b8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1947,7 +1947,7 @@ static av_cold int h264_decode_end(AVCodecContext *avctx)
 #define OFFSET(x) offsetof(H264Context, x)
 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
 static const AVOption h264_options[] = {
-    {"is_avc", "is avc", offsetof(H264Context, is_avc), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, 0},
+    {"is_avc", "is avc", offsetof(H264Context, is_avc), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, 0},
     {"nal_length_size", "nal_length_size", offsetof(H264Context, nal_length_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 4, 0},
     { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VD },
     { NULL },