diff --git a/packages/core/schematics/ng-generate/inject-migration/internal.ts b/packages/core/schematics/ng-generate/inject-migration/internal.ts
index ff09554fc52..dfbff4c4581 100644
--- a/packages/core/schematics/ng-generate/inject-migration/internal.ts
+++ b/packages/core/schematics/ng-generate/inject-migration/internal.ts
@@ -158,7 +158,7 @@ function hasLocalReferences(
   const sourceFile = root.getSourceFile();
   let hasLocalRefs = false;
 
-  root.forEachChild(function walk(node) {
+  const walk = (node: ts.Node) => {
     // Stop searching if we know that it has local references.
     if (hasLocalRefs) {
       return;
@@ -193,7 +193,9 @@ function hasLocalReferences(
     if (!hasLocalRefs) {
       node.forEachChild(walk);
     }
-  });
+  };
+
+  walk(root);
 
   return hasLocalRefs;
 }
diff --git a/packages/core/schematics/test/inject_migration_spec.ts b/packages/core/schematics/test/inject_migration_spec.ts
index 0526d9ea742..d75c0d3571a 100644
--- a/packages/core/schematics/test/inject_migration_spec.ts
+++ b/packages/core/schematics/test/inject_migration_spec.ts
@@ -1986,5 +1986,44 @@ describe('inject migration', () => {
         `}`,
       ]);
     });
+
+    it('should not inline properties initialized to identifiers referring to constructor parameters', async () => {
+      writeFile(
+        '/dir.ts',
+        [
+          `import { Injectable } from '@angular/core';`,
+          `import { OtherService } from './other-service';`,
+          ``,
+          `@Injectable()`,
+          `export class SomeService {`,
+          `  readonly otherService: OtherService;`,
+          ``,
+          `  constructor(readonly differentName: OtherService) {`,
+          `    this.otherService = differentName;`,
+          `  }`,
+          `}`,
+        ].join('\n'),
+      );
+
+      await runInternalMigration();
+
+      expect(tree.readContent('/dir.ts').split('\n')).toEqual([
+        `import { Injectable, inject } from '@angular/core';`,
+        `import { OtherService } from './other-service';`,
+        ``,
+        `@Injectable()`,
+        `export class SomeService {`,
+        `  readonly differentName = inject(OtherService);`,
+        ``,
+        `  readonly otherService: OtherService;`,
+        ``,
+        `  constructor() {`,
+        `    const differentName = this.differentName;`,
+        ``,
+        `    this.otherService = differentName;`,
+        `  }`,
+        `}`,
+      ]);
+    });
   });
 });