diff --git a/rpcs3/Emu/Cell/SPUThread.cpp b/rpcs3/Emu/Cell/SPUThread.cpp
index 8e0c5a1411..81274ca7e0 100644
--- a/rpcs3/Emu/Cell/SPUThread.cpp
+++ b/rpcs3/Emu/Cell/SPUThread.cpp
@@ -2816,6 +2816,8 @@ bool spu_thread::set_ch_value(u32 ch, u32 value)
 
 	case MFC_WrListStallAck:
 	{
+		value &= 0x1f;
+
 		// Reset stall status for specified tag
 		const u32 tag_mask = utils::rol32(1, value);