diff --git a/rpcs3/Emu/RSX/D3D12/D3D12Formats.cpp b/rpcs3/Emu/RSX/D3D12/D3D12Formats.cpp
index cc12b78898..7242c78462 100644
--- a/rpcs3/Emu/RSX/D3D12/D3D12Formats.cpp
+++ b/rpcs3/Emu/RSX/D3D12/D3D12Formats.cpp
@@ -106,6 +106,7 @@ D3D12_STENCIL_OP get_stencil_op(u32 op) noexcept
 	case CELL_GCM_KEEP: return D3D12_STENCIL_OP_KEEP;
 	case CELL_GCM_ZERO: return D3D12_STENCIL_OP_ZERO;
 	case CELL_GCM_REPLACE: return D3D12_STENCIL_OP_REPLACE;
+	default: // Jet Set Radio set some garbage, turns out OP_INCR is the intended behavior.
 	case CELL_GCM_INCR: return D3D12_STENCIL_OP_INCR;
 	case CELL_GCM_DECR: return D3D12_STENCIL_OP_DECR;
 	case CELL_GCM_INCR_WRAP: