diff --git a/lib/compiler/helpers/get-value-or-default.ts b/lib/compiler/helpers/get-value-or-default.ts
index 978ac6289..12b451671 100644
--- a/lib/compiler/helpers/get-value-or-default.ts
+++ b/lib/compiler/helpers/get-value-or-default.ts
@@ -17,7 +17,7 @@ export function getValueOrDefault<T = any>(
   if (configuration.projects && configuration.projects[appName]) {
     const perAppValue = getValueOfPath(
       configuration,
-      `projects.${appName}.`.concat(propertyPath),
+      `projects."${appName}".`.concat(propertyPath),
     );
     if (perAppValue !== undefined) {
       return perAppValue as T;
@@ -30,18 +30,38 @@ export function getValueOrDefault<T = any>(
   return value;
 }
 
-function getValueOfPath<T = any>(
+export function getValueOfPath<T = any>(
   object: Record<string, any>,
   propertyPath: string,
 ): T {
   const fragments = propertyPath.split('.');
 
   let propertyValue = object;
+  let isConcatInProgress = false;
+  let path = '';
+
   for (const fragment of fragments) {
     if (!propertyValue) {
       break;
     }
-    propertyValue = propertyValue[fragment];
+    /**
+     * When path is escaped with "" double quotes,
+     * concatenate the property path.
+     * Reference: https://github.com/nestjs/nest-cli/issues/947
+     */
+    if (fragment.startsWith('"')) {
+      path += fragment.replace('"', '') + '.';
+      isConcatInProgress = true;
+      continue;
+    } else if (isConcatInProgress) {
+      path += '.';
+      continue;
+    } else if (fragment.endsWith('"')) {
+      path += fragment.replace('"', '');
+      isConcatInProgress = false;
+    }
+    propertyValue = propertyValue[path];
+    path = '';
   }
   return propertyValue as T;
 }
diff --git a/test/lib/compiler/helpers/get-value-or-default.spec.ts b/test/lib/compiler/helpers/get-value-or-default.spec.ts
index 8fde69c20..4b8720245 100644
--- a/test/lib/compiler/helpers/get-value-or-default.spec.ts
+++ b/test/lib/compiler/helpers/get-value-or-default.spec.ts
@@ -170,4 +170,29 @@ describe('Get Value or Default', () => {
     );
     expect(value).toBeUndefined();
   });
+
+  it('should concatenate property path when app name contains dots', async () => {
+    let configuration: Required<Configuration> = {
+      monorepo: true,
+      sourceRoot: '',
+      entryFile: '',
+      projects: {
+        'test.project.v1.api': {
+          compilerOptions: {},
+        },
+      },
+      language: '',
+      collection: '',
+      compilerOptions: {
+        webpack: true,
+      },
+      generateOptions: {},
+    };
+    let value = getValueOrDefault(
+      configuration,
+      'compilerOptions.webpack',
+      'test.project.v1.api',
+    );
+    expect(value).toEqual(true);
+  });
 });