diff --git a/libavcodec/rv30.c b/libavcodec/rv30.c
index c84e09dd1a..7b9a5af9df 100644
--- a/libavcodec/rv30.c
+++ b/libavcodec/rv30.c
@@ -308,5 +308,6 @@ const AVCodec ff_rv30_decoder = {
         AV_PIX_FMT_NONE
     },
     .update_thread_context = ONLY_IF_THREADS_ENABLED(ff_rv34_decode_update_thread_context),
-    .caps_internal         = FF_CODEC_CAP_ALLOCATE_PROGRESS,
+    .caps_internal         = FF_CODEC_CAP_INIT_THREADSAFE |
+                             FF_CODEC_CAP_ALLOCATE_PROGRESS,
 };