diff --git a/libavfilter/vsrc_life.c b/libavfilter/vsrc_life.c
index 20bc56a4dd..47630add7d 100644
--- a/libavfilter/vsrc_life.c
+++ b/libavfilter/vsrc_life.c
@@ -415,6 +415,8 @@ static int query_formats(AVFilterContext *ctx)
 {
     LifeContext *life = ctx->priv;
     enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_NONE, AV_PIX_FMT_NONE };
+    AVFilterFormats *fmts_list;
+
     if (life->mold || memcmp(life-> life_color, "\xff\xff\xff", 3)
                    || memcmp(life->death_color, "\x00\x00\x00", 3)) {
         pix_fmts[0] = AV_PIX_FMT_RGB24;
@@ -424,7 +426,7 @@ static int query_formats(AVFilterContext *ctx)
         life->draw = fill_picture_monoblack;
     }
 
-    AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
+    fmts_list = ff_make_format_list(pix_fmts);
     if (!fmts_list)
         return AVERROR(ENOMEM);
     ff_set_common_formats(ctx, fmts_list);