diff --git a/testTs/expect/types/rest/objectRestParameter.txt b/testTs/expect/types/rest/objectRestParameter.txt
index d3582019b964e156bdf848b782f01074df6386fe..f1d5ac1eb96ca666702c611897bf9ef3ba554b16 100644
--- a/testTs/expect/types/rest/objectRestParameter.txt
+++ b/testTs/expect/types/rest/objectRestParameter.txt
@@ -3,7 +3,7 @@
 {'lb': [{'t': 2, 'v': 1}, {'t': 2, 'v': 0}, {'t': 25, 'v': 0}, {'t': 2, 'v': 0}, {'t': 2, 'v': 0}, {'t': 2, 'v': 2}, {'t': 5, 'v': 'm'}, {'t': 24, 'v': '_4'}, {'t': 5, 'v': 'p'}, {'t': 24, 'v': '_6'}, {'t': 2, 'v': 0}, {'t': 2, 'v': 0}], 'k': '_3'}
 {'lb': [{'t': 2, 'v': 3}, {'t': 2, 'v': 0}, {'t': 5, 'v': 'm'}, {'t': 2, 'v': 0}, {'t': 2, 'v': 1}, {'t': 24, 'v': '_5'}, {'t': 25, 'v': 3}], 'k': '_4'}
 {'lb': [{'t': 2, 'v': 6}, {'t': 2, 'v': 2}, {'t': 5, 'v': 'a'}, {'t': 25, 'v': 1}, {'t': 5, 'v': 'b'}, {'t': 25, 'v': 4}], 'k': '_5'}
-{'lb': [{'t': 2, 'v': 3}, {'t': 2, 'v': 0}, {'t': 5, 'v': 'p'}, {'t': 2, 'v': 0}, {'t': 2, 'v': 1}, {'t': 24, 'v': '_7'}, {'t': 25, 'v': 0}], 'k': '_6'}
+{'lb': [{'t': 2, 'v': 3}, {'t': 2, 'v': 32}, {'t': 5, 'v': 'p'}, {'t': 2, 'v': 0}, {'t': 2, 'v': 1}, {'t': 24, 'v': '_7'}, {'t': 25, 'v': 0}], 'k': '_6'}
 {'lb': [{'t': 2, 'v': 6}, {'t': 2, 'v': 2}, {'t': 5, 'v': 'a'}, {'t': 25, 'v': 1}, {'t': 5, 'v': 'b'}, {'t': 25, 'v': 4}], 'k': '_7'}
 {'lb': [{'t': 2, 'v': 2}, {'t': 24, 'v': '_3'}], 'k': '_8'}
 {'lb': [{'t': 2, 'v': 3}, {'t': 2, 'v': 0}, {'t': 5, 'v': 'foobar'}, {'t': 2, 'v': 0}, {'t': 2, 'v': 1}, {'t': 25, 'v': 0}, {'t': 25, 'v': 0}], 'k': '_9'}
diff --git a/ts2panda/src/base/typeSystem.ts b/ts2panda/src/base/typeSystem.ts
index cc06969f4910ab7bd2014dca7c8938a0d7e121eb..331e4f9dedbfdcb4dc80e1485bd6c12db4efe9e5 100644
--- a/ts2panda/src/base/typeSystem.ts
+++ b/ts2panda/src/base/typeSystem.ts
@@ -129,9 +129,9 @@ export enum ModifierAbstract {
 }
 
 export enum Modifier {
-    STATIC = 4,
-    ASYNC = 8,
-    ASTERISK = 16
+    STATIC = 1 << 2,
+    ASYNC = 1 << 3,
+    ASTERISK = 1 << 4
 }
 
 export enum ModifierReadonly {
@@ -145,6 +145,11 @@ export enum AccessFlag {
     PROTECTED
 }
 
+export enum GetOrSetAccessorFlag {
+    FALSE = 0,  // Not GetAccessor and SetAccessor
+    TRUE = 1 << 5  // GetAccessor or SetAccessor
+}
+
 type ClassMemberFunction = ts.MethodDeclaration | ts.ConstructorDeclaration |
                            ts.GetAccessorDeclaration | ts.SetAccessorDeclaration;
 
@@ -515,12 +520,16 @@ export class FunctionType extends BaseType {
     returnType: number = PrimitiveType.ANY;
     typeIndex: number;
     shiftedTypeIndex: number;
+    getOrSetAccessorFlag: GetOrSetAccessorFlag = GetOrSetAccessorFlag.FALSE;
 
     constructor(funcNode: ts.FunctionLikeDeclaration | ts.MethodSignature, builtinTypeIdx: number = undefined) {
         super();
         let res = this.calculateIndex(builtinTypeIdx);
         this.typeIndex = res.typeIndex;
         this.shiftedTypeIndex = res.shiftedTypeIndex;
+        if (funcNode.kind == ts.SyntaxKind.GetAccessor || funcNode.kind == ts.SyntaxKind.SetAccessor) {
+            this.getOrSetAccessorFlag = GetOrSetAccessorFlag.TRUE;
+        }
 
         // record type before its initialization, so its index can be recorded
         // in case there's recursive reference of this type
@@ -600,7 +609,7 @@ export class FunctionType extends BaseType {
         let funcTypeBuf = new LiteralBuffer();
         let funcTypeLiterals: Array<Literal> = new Array<Literal>();
         funcTypeLiterals.push(new Literal(LiteralTag.INTEGER, L2Type.FUNCTION));
-        funcTypeLiterals.push(new Literal(LiteralTag.INTEGER, this.accessFlag + this.modifiers));
+        funcTypeLiterals.push(new Literal(LiteralTag.INTEGER, this.accessFlag + this.modifiers + this.getOrSetAccessorFlag));
         funcTypeLiterals.push(new Literal(LiteralTag.STRING, this.name));
         if (this.containThisParam) {
             funcTypeLiterals.push(new Literal(LiteralTag.INTEGER, 1)); // marker for having 'this' param