diff --git a/npm/ng-packs/packages/schematics/src/models/method.ts b/npm/ng-packs/packages/schematics/src/models/method.ts
index 96db013c8f..6602c0b653 100644
--- a/npm/ng-packs/packages/schematics/src/models/method.ts
+++ b/npm/ng-packs/packages/schematics/src/models/method.ts
@@ -1,5 +1,5 @@
 import { eBindingSourceId, eMethodModifier } from '../enums';
-import { isValidProp } from '../utils/prop';
+import { shouldQuoteProp } from '../utils/prop';
 import { camel } from '../utils/text';
 import { ParameterInBody } from './api-definition';
 import { Property } from './model';
@@ -46,9 +46,9 @@ export class Body {
     const camelName = camel(name);
     const paramName = jsonName || camelName;
     const value = descriptorName
-      ? isValidProp(paramName)
-        ? `${descriptorName}.${paramName}`
-        : `${descriptorName}['${paramName}']`
+      ? shouldQuoteProp(paramName)
+        ? `${descriptorName}['${paramName}']`
+        : `${descriptorName}.${paramName}`
       : nameOnMethod;
 
     switch (bindingSourceId) {
diff --git a/npm/ng-packs/packages/schematics/src/utils/enum.ts b/npm/ng-packs/packages/schematics/src/utils/enum.ts
index 5ff644db82..ffa07c1998 100644
--- a/npm/ng-packs/packages/schematics/src/utils/enum.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/enum.ts
@@ -3,7 +3,7 @@ import { Exception } from '../enums';
 import { Type } from '../models';
 import { interpolate } from './common';
 import { parseNamespace } from './namespace';
-import { isValidProp } from './prop';
+import { shouldQuoteProp } from './prop';
 
 export interface EnumGeneratorParams {
   targetPath: string;
@@ -34,7 +34,7 @@ export function createImportRefToEnumMapper({ solution, types }: EnumGeneratorPa
 
     const namespace = parseNamespace(solution, ref);
     const members = enumNames!.map((key, i) => ({
-      key: isValidProp(key) ? key : `'${key}'`,
+      key: shouldQuoteProp(key) ? `'${key}'` : key,
       value: enumValues[i],
     }));
 
diff --git a/npm/ng-packs/packages/schematics/src/utils/model.ts b/npm/ng-packs/packages/schematics/src/utils/model.ts
index 96856fdbe4..84e86f35c5 100644
--- a/npm/ng-packs/packages/schematics/src/utils/model.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/model.ts
@@ -8,7 +8,7 @@ import {
 } from './generics';
 import { parseNamespace } from './namespace';
 import { relativePathToModel } from './path';
-import { isValidProp } from './prop';
+import { shouldQuoteProp } from './prop';
 import { camel } from './text';
 import { parseGenerics } from './tree';
 import {
@@ -136,7 +136,7 @@ export function createImportRefToInterfaceReducerCreator(params: ModelGeneratorP
 
     typeDef.properties?.forEach(prop => {
       let name = prop.jsonName || camel(prop.name);
-      name = isValidProp(name) ? name : `'${name}'`;
+      name = shouldQuoteProp(name) ? `'${name}'` : name;
       const type = simplifyType(prop.typeSimple);
       const refs = parseType(prop.type).reduce(
         (acc: string[], r) => acc.concat(parseGenerics(r).toGenerics()),
diff --git a/npm/ng-packs/packages/schematics/src/utils/prop.ts b/npm/ng-packs/packages/schematics/src/utils/prop.ts
index 0c78de7b14..3530aff057 100644
--- a/npm/ng-packs/packages/schematics/src/utils/prop.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/prop.ts
@@ -1,9 +1,9 @@
-export const isValidProp = (name: string) => {
+export const shouldQuoteProp = (key: string) => {
   try {
-    new Function('return {}.' + name);
+    new Function('return {}.' + key);
   } catch (_) {
-    return false;
+    return true;
   }
 
-  return true;
+  return false;
 };