diff --git a/libavutil/video_enc_params.c b/libavutil/video_enc_params.c
index 54bfed0ed9..33592dc128 100644
--- a/libavutil/video_enc_params.c
+++ b/libavutil/video_enc_params.c
@@ -27,11 +27,11 @@
 AVVideoEncParams *av_video_enc_params_alloc(enum AVVideoEncParamsType type,
                                             unsigned int nb_blocks, size_t *out_size)
 {
-    const size_t blocks_offset = offsetof(
-        struct {
-            AVVideoEncParams   p;
-            AVVideoBlockParams b;
-        }, b);
+    struct TestStruct {
+        AVVideoEncParams   p;
+        AVVideoBlockParams b;
+    };
+    const size_t blocks_offset = offsetof(struct TestStruct, b);
     size_t size = blocks_offset;
     AVVideoEncParams *par;