diff --git a/rpcs3/Emu/Cell/SPUThread.cpp b/rpcs3/Emu/Cell/SPUThread.cpp
index 1850530749..b4a30d7ab9 100644
--- a/rpcs3/Emu/Cell/SPUThread.cpp
+++ b/rpcs3/Emu/Cell/SPUThread.cpp
@@ -676,7 +676,7 @@ const auto spu_putlluc_tx = build_function_asm<u32(*)(u32 raddr, const void* rda
 	// Begin transaction
 	Label tx0 = build_transaction_enter(c, fall, x86::r12, 8);
 	c.xbegin(tx0);
-	c.test(x86::dword_ptr(x86::rbx), vm::rsrv_unique_lock);
+	c.test(x86::qword_ptr(x86::rbx), vm::rsrv_unique_lock);
 	c.jnz(skip);
 
 	if (s_tsx_avx)