diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index f0b9b4d462..95536540f5 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -827,6 +827,9 @@ extern void ppu_register_function_at(u32 addr, u32 size, ppu_intrp_func_t ptr =
 		return;
 	}
 
+	size = utils::align<u32>(size + addr % 4, 4);
+	addr &= -4;
+
 	if (g_cfg.core.ppu_decoder == ppu_decoder_type::llvm)
 	{
 		return;