diff --git a/libavcodec/vaapi.c b/libavcodec/vaapi.c
index a220a9d3c21f5b244cfdf9f8e5d5d29b94fab954..94959bf5edf7df0e0fd183874b527e2c007b8ce6 100644
--- a/libavcodec/vaapi.c
+++ b/libavcodec/vaapi.c
@@ -46,6 +46,9 @@ int ff_vaapi_render_picture(struct vaapi_context *vactx, VASurfaceID surface)
     VABufferID va_buffers[3];
     unsigned int n_va_buffers = 0;
 
+    if (!vactx->pic_param_buf_id)
+        return 0;
+
     vaUnmapBuffer(vactx->display, vactx->pic_param_buf_id);
     va_buffers[n_va_buffers++] = vactx->pic_param_buf_id;