diff --git a/rpcs3/Emu/Cell/SPURecompiler.h b/rpcs3/Emu/Cell/SPURecompiler.h
index 0bc3546586..cc03c8e9a0 100644
--- a/rpcs3/Emu/Cell/SPURecompiler.h
+++ b/rpcs3/Emu/Cell/SPURecompiler.h
@@ -683,7 +683,7 @@ public:
 			return true;
 		}
 
-		bool is_gpr_not_NaN_hint(u32 i) const noexcept
+		bool is_gpr_not_NaN_hint([[maybe_unused]] u32 i) const noexcept
 		{
 #ifdef ARCH_X64
 			return gpr_not_nans.test(i);