diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 440b856a3a..af6dcee228 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -406,12 +406,12 @@ static int get_siz(Jpeg2000DecoderContext *s)
         && !pix_fmt_match(s->avctx->pix_fmt, ncomponents, s->precision, log2_chroma_wh, s->pal8))
             s->avctx->pix_fmt = AV_PIX_FMT_NONE;
     if (s->avctx->pix_fmt == AV_PIX_FMT_NONE)
-    for (i = 0; i < possible_fmts_nb; ++i) {
-        if (pix_fmt_match(possible_fmts[i], ncomponents, s->precision, log2_chroma_wh, s->pal8)) {
-            s->avctx->pix_fmt = possible_fmts[i];
-            break;
+        for (i = 0; i < possible_fmts_nb; ++i) {
+            if (pix_fmt_match(possible_fmts[i], ncomponents, s->precision, log2_chroma_wh, s->pal8)) {
+                s->avctx->pix_fmt = possible_fmts[i];
+                break;
+            }
         }
-    }
 
     if (i == possible_fmts_nb) {
         if (ncomponents == 4 &&