diff --git a/src/scripting/backend/scopebarrier.cpp b/src/scripting/backend/scopebarrier.cpp
index 4d9d6d2fc..fda9de3c3 100644
--- a/src/scripting/backend/scopebarrier.cpp
+++ b/src/scripting/backend/scopebarrier.cpp
@@ -44,6 +44,19 @@ int FScopeBarrier::FlagsFromSide(int side)
 	}
 }
 
+int FScopeBarrier::ObjectFlagsFromSide(int side)
+{
+	switch (side)
+	{
+	case Side_Play:
+		return OF_Play;
+	case Side_UI:
+		return OF_UI;
+	default:
+		return 0;
+	}
+}
+
 // used for errors
 const char* FScopeBarrier::StringFromSide(int side)
 {
@@ -72,6 +85,14 @@ int FScopeBarrier::ChangeSideInFlags(int flags, int side)
 	return flags;
 }
 
+// this modifies OF_ flags and sets the side properly.
+int FScopeBarrier::ChangeSideInObjectFlags(int flags, int side)
+{
+	flags &= ~(OF_UI | OF_Play);
+	flags |= ObjectFlagsFromSide(side);
+	return flags;
+}
+
 FScopeBarrier::FScopeBarrier()
 {
 	sidefrom = -1;
diff --git a/src/scripting/backend/scopebarrier.h b/src/scripting/backend/scopebarrier.h
index ed4f25a10..514db7a97 100644
--- a/src/scripting/backend/scopebarrier.h
+++ b/src/scripting/backend/scopebarrier.h
@@ -35,12 +35,15 @@ struct FScopeBarrier
 
 	//
 	static int FlagsFromSide(int side);
+	static int ObjectFlagsFromSide(int side);
 	
 	// used for errors
 	static const char* StringFromSide(int side);
 
 	// this modifies VARF_ flags and sets the side properly.
 	static int ChangeSideInFlags(int flags, int side);
+	// this modifies OF_ flags and sets the side properly.
+	static int ChangeSideInObjectFlags(int flags, int side);
 	FScopeBarrier();
 	FScopeBarrier(int flags1, int flags2, const char* name);
 
diff --git a/src/scripting/zscript/zcc_compile.cpp b/src/scripting/zscript/zcc_compile.cpp
index 5519d2166..14eceb0cb 100644
--- a/src/scripting/zscript/zcc_compile.cpp
+++ b/src/scripting/zscript/zcc_compile.cpp
@@ -501,10 +501,13 @@ void ZCCCompiler::CreateStructTypes()
 			Error(s->strct, "Struct %s has incompatible flags", s->NodeName().GetChars());
 		}
 
+		if (outer) s->Type()->ObjectFlags = FScopeBarrier::ChangeSideInObjectFlags(s->Type()->ObjectFlags, FScopeBarrier::SideFromObjectFlags(outer->ObjectFlags));
 		if (s->strct->Flags & ZCC_UIFlag)
-			s->Type()->ObjectFlags |= OF_UI;
+			s->Type()->ObjectFlags = FScopeBarrier::ChangeSideInObjectFlags(s->Type()->ObjectFlags, FScopeBarrier::Side_UI);
 		if (s->strct->Flags & ZCC_Play)
-			s->Type()->ObjectFlags |= OF_Play;
+			s->Type()->ObjectFlags = FScopeBarrier::ChangeSideInObjectFlags(s->Type()->ObjectFlags, FScopeBarrier::Side_Play);
+		if (s->strct->Flags & ZCC_ClearScope)
+			s->Type()->ObjectFlags = FScopeBarrier::ChangeSideInObjectFlags(s->Type()->ObjectFlags, FScopeBarrier::Side_PlainData); // don't inherit the scope from the outer class
 		s->strct->Symbol = new PSymbolType(s->NodeName(), s->Type());
 		syms->AddSymbol(s->strct->Symbol);