diff --git a/src/fragglescript/t_func.cpp b/src/fragglescript/t_func.cpp
index 1d6fd1807..d5b6592c2 100644
--- a/src/fragglescript/t_func.cpp
+++ b/src/fragglescript/t_func.cpp
@@ -1768,7 +1768,7 @@ class DLightLevel : public DLighting
 	unsigned char destlevel;
 	unsigned char speed;
 
-	DLightLevel() {}
+	DLightLevel() = default;
 
 public:
 
diff --git a/src/scripting/backend/vmbuilder.cpp b/src/scripting/backend/vmbuilder.cpp
index 58ff1b6ae..b10f968ef 100644
--- a/src/scripting/backend/vmbuilder.cpp
+++ b/src/scripting/backend/vmbuilder.cpp
@@ -974,7 +974,7 @@ void FunctionCallEmitter::AddParameter(ExpEmit &emit, bool reference)
 	}
 	emitters.push_back([=](VMFunctionBuilder *build) ->int
 	{
-		build->Emit(OP_PARAM, emit.RegType + (reference * REGT_ADDROF), emit.RegNum);
+		build->Emit(OP_PARAM, emit.RegType + (reference * REGT_ADDROF) + (emit.Konst * REGT_KONST), emit.RegNum);
 		auto op = emit;
 		op.Free(build);
 		return emit.RegCount;
diff --git a/src/scripting/thingdef.cpp b/src/scripting/thingdef.cpp
index 439bf8ce8..261b07f72 100644
--- a/src/scripting/thingdef.cpp
+++ b/src/scripting/thingdef.cpp
@@ -236,7 +236,7 @@ PFunction *CreateAnonymousFunction(PContainerType *containingclass, PType *retur
 //
 //==========================================================================
 
-PFunction *FindClassMemberFunction(PContainerType *selfcls, PContainerType *funccls, FName name, FScriptPosition &sc, bool *error, const VersionInfo &version)
+PFunction *FindClassMemberFunction(PContainerType *selfcls, PContainerType *funccls, FName name, FScriptPosition &sc, bool *error, const VersionInfo &version, bool nodeprecated)
 {
 	// Skip ACS_NamedExecuteWithResult. Anything calling this should use the builtin instead.
 	if (name == NAME_ACS_NamedExecuteWithResult) return nullptr;
@@ -263,7 +263,8 @@ PFunction *FindClassMemberFunction(PContainerType *selfcls, PContainerType *func
 		{
 			sc.Message(MSG_ERROR, "%s is declared protected and not accessible", symbol->SymbolName.GetChars());
 		}
-		else if ((funcsym->Variants[0].Flags & VARF_Deprecated) && funcsym->mVersion <= version)
+		// ZScript will skip this because it prints its own message.
+		else if ((funcsym->Variants[0].Flags & VARF_Deprecated) && funcsym->mVersion <= version && !nodeprecated)
 		{
 			sc.Message(MSG_WARNING, "Call to deprecated function %s", symbol->SymbolName.GetChars());
 		}
diff --git a/src/scripting/thingdef.h b/src/scripting/thingdef.h
index 4a2384538..4ab496c41 100644
--- a/src/scripting/thingdef.h
+++ b/src/scripting/thingdef.h
@@ -204,7 +204,7 @@ class FxVMFunctionCall *ParseAction(FScanner &sc, FState state, FString statestr
 FName CheckCastKludges(FName in);
 void SetImplicitArgs(TArray<PType *> *args, TArray<uint32_t> *argflags, TArray<FName> *argnames, PContainerType *cls, uint32_t funcflags, int useflags);
 PFunction *CreateAnonymousFunction(PContainerType *containingclass, PType *returntype, int flags);
-PFunction *FindClassMemberFunction(PContainerType *cls, PContainerType *funccls, FName name, FScriptPosition &sc, bool *error, const VersionInfo &version);
+PFunction *FindClassMemberFunction(PContainerType *cls, PContainerType *funccls, FName name, FScriptPosition &sc, bool *error, const VersionInfo &version, bool nodeprecated = false);
 void CreateDamageFunction(PNamespace *ns, const VersionInfo &ver, PClassActor *info, AActor *defaults, FxExpression *id, bool fromDecorate, int lumpnum);
 
 //==========================================================================