diff --git a/src/scripting/codegeneration/codegen.cpp b/src/scripting/codegeneration/codegen.cpp
index e6cd1989c..a23811390 100644
--- a/src/scripting/codegeneration/codegen.cpp
+++ b/src/scripting/codegeneration/codegen.cpp
@@ -6553,7 +6553,9 @@ ExpEmit FxStackVariable::Emit(VMFunctionBuilder *build)
 	if (membervar->BitValue == -1)
 	{
 		if (offsetreg == -1) offsetreg = build->GetConstantInt(0);
-		build->Emit(membervar->Type->GetLoadOp(), loc.RegNum, build->FramePointer.RegNum, offsetreg);
+		auto op = membervar->Type->GetLoadOp();
+		if (op == OP_LO) op = OP_LOS;
+		build->Emit(op, loc.RegNum, build->FramePointer.RegNum, offsetreg);
 	}
 	else
 	{
diff --git a/src/scripting/vm/vmexec.h b/src/scripting/vm/vmexec.h
index fc6a53bee..0e34aa031 100644
--- a/src/scripting/vm/vmexec.h
+++ b/src/scripting/vm/vmexec.h
@@ -209,6 +209,18 @@ begin:
 		reg.a[a] = GC::ReadBarrier(*(DObject **)ptr);
 		reg.atag[a] = ATAG_OBJECT;
 		NEXTOP;
+	OP(LOS):
+		ASSERTA(a); ASSERTA(B); ASSERTKD(C);
+		GETADDR(PB,KC,X_READ_NIL);
+		reg.a[a] = *(DObject **)ptr;
+		reg.atag[a] = ATAG_OBJECT;
+		NEXTOP;
+	OP(LOS_R):
+		ASSERTA(a); ASSERTA(B); ASSERTD(C);
+		GETADDR(PB,RC,X_READ_NIL);
+		reg.a[a] = *(DObject **)ptr;
+		reg.atag[a] = ATAG_OBJECT;
+		NEXTOP;
 	OP(LP):
 		ASSERTA(a); ASSERTA(B); ASSERTKD(C);
 		GETADDR(PB,KC,X_READ_NIL);
diff --git a/src/scripting/vm/vmops.h b/src/scripting/vm/vmops.h
index 86554940e..3fc3d7643 100644
--- a/src/scripting/vm/vmops.h
+++ b/src/scripting/vm/vmops.h
@@ -44,6 +44,8 @@ xx(LS,		ls,		RSRPKI,		LS_R,	4, REGT_INT),	// load string
 xx(LS_R,	ls,		RSRPRI,		NOP,	0, 0),
 xx(LO,		lo,		RPRPKI,		LO_R,	4, REGT_INT),	// load object
 xx(LO_R,	lo,		RPRPRI,		NOP,	0, 0),
+xx(LOS,		los,	RPRPKI,		LOS_R,	4, REGT_INT),	// load object (stack version without read barrier)
+xx(LOS_R,	lo,		RPRPRI,		NOP,	0, 0),
 xx(LP,		lp,		RPRPKI,		LP_R,	4, REGT_INT),	// load pointer
 xx(LP_R,	lp,		RPRPRI,		NOP,	0, 0),
 xx(LV2,		lv2,	RVRPKI,		LV2_R,	4, REGT_INT),	// load vector2