diff --git a/viddec.cpp b/viddec.cpp
index 5ed89f8..948e51a 100644
--- a/viddec.cpp
+++ b/viddec.cpp
@@ -326,5 +326,6 @@ void MoonlightInstance::PictureReady(int32_t result, PP_VideoPicture picture) {
 DECODER_RENDERER_CALLBACKS MoonlightInstance::s_DrCallbacks = {
     MoonlightInstance::VidDecSetup,
     MoonlightInstance::VidDecCleanup,
-    MoonlightInstance::VidDecSubmitDecodeUnit
+    MoonlightInstance::VidDecSubmitDecodeUnit,
+    CAPABILITY_SLICES_PER_FRAME(4)
 };
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