diff --git a/libavcodec/vaapi_av1.c b/libavcodec/vaapi_av1.c
index e184d01a43..8cab906c11 100644
--- a/libavcodec/vaapi_av1.c
+++ b/libavcodec/vaapi_av1.c
@@ -19,6 +19,7 @@
  */
 
 #include "libavutil/frame.h"
+#include "libavutil/mem.h"
 #include "hwaccel_internal.h"
 #include "vaapi_decode.h"
 #include "internal.h"
@@ -393,13 +394,17 @@ static int vaapi_av1_decode_slice(AVCodecContext *avctx,
 {
     const AV1DecContext *s = avctx->priv_data;
     VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
-    VASliceParameterBufferAV1 slice_param;
-    int err = 0;
+    VASliceParameterBufferAV1 *slice_params;
+    int err = 0, nb_params = 0;
 
-    for (int i = s->tg_start; i <= s->tg_end; i++) {
-        memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1));
+    slice_params = av_calloc(s->tg_end - s->tg_start + 1, sizeof(*slice_params));
+    if (!slice_params) {
+        err = AVERROR(ENOMEM);
+        goto fail;
+    }
 
-        slice_param = (VASliceParameterBufferAV1) {
+    for (int i = s->tg_start; i <= s->tg_end; i++) {
+        slice_params[nb_params++] = (VASliceParameterBufferAV1) {
             .slice_data_size   = s->tile_group_info[i].tile_size,
             .slice_data_offset = s->tile_group_info[i].tile_offset,
             .slice_data_flag   = VA_SLICE_DATA_FLAG_ALL,
@@ -408,18 +413,22 @@ static int vaapi_av1_decode_slice(AVCodecContext *avctx,
             .tg_start          = s->tg_start,
             .tg_end            = s->tg_end,
         };
-
-        err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param, 1,
-                                                sizeof(VASliceParameterBufferAV1),
-                                                buffer,
-                                                size);
-        if (err) {
-            ff_vaapi_decode_cancel(avctx, pic);
-            return err;
-        }
     }
 
+    err = ff_vaapi_decode_make_slice_buffer(avctx, pic, slice_params, nb_params,
+                                            sizeof(VASliceParameterBufferAV1),
+                                            buffer,
+                                            size);
+    av_free(slice_params);
+
+    if (err)
+        goto fail;
+
     return 0;
+
+fail:
+    ff_vaapi_decode_cancel(avctx, pic);
+    return err;
 }
 
 const FFHWAccel ff_av1_vaapi_hwaccel = {