diff --git a/desmume/src/NDSSystem.h b/desmume/src/NDSSystem.h
index 2b729c3f7..0e7751993 100644
--- a/desmume/src/NDSSystem.h
+++ b/desmume/src/NDSSystem.h
@@ -538,7 +538,7 @@ extern struct TCommonSettings
 		, GFX3D_Renderer_TextureSmoothing(false)
 		, GFX3D_TXTHack(false)
 		, GFX3D_PrescaleHD(1)
-		, jit_max_block_size(100)
+		, jit_max_block_size(12)
 		, loadToMemory(false)
 		, UseExtBIOS(false)
 		, SWIFromBIOS(false)