diff --git a/system/box64.box64rc b/system/box64.box64rc
index 046036b5d..606eb2bc9 100644
--- a/system/box64.box64rc
+++ b/system/box64.box64rc
@@ -92,6 +92,12 @@ BOX64_MALLOC_HACK=2
 [chrome_crashpad_handler]
 BOX64_MALLOC_HACK=2
 
+[dav1d]
+BOX64_DYNAREC_BIGBLOCK=2
+BOX64_DYNAREC_FORWARD=512
+BOX64_DYNAREC_CALLRET=1
+BOX64_DYNAREC_ALIGNED_ATOMICS=1
+
 [deadcells]
 BOX64_PREFER_EMULATED=1
 BOX64_DYNAREC_ALIGNED_ATOMICS=1