diff --git a/src/runtime/template_set.ts b/src/runtime/template_set.ts
index 6868e612..83bc4450 100644
--- a/src/runtime/template_set.ts
+++ b/src/runtime/template_set.ts
@@ -125,7 +125,7 @@ export class TemplateSet {
 
   callTemplate(owner: any, subTemplate: string, ctx: any, parent: any, key: any): any {
     const template = this.getTemplate(subTemplate);
-    return toggler(subTemplate, template.call(owner, ctx, parent, key));
+    return toggler(subTemplate, template.call(owner, ctx, parent, key + subTemplate));
   }
 }
 
diff --git a/tests/components/__snapshots__/t_call.test.ts.snap b/tests/components/__snapshots__/t_call.test.ts.snap
index 31284ce1..b5825bdc 100644
--- a/tests/components/__snapshots__/t_call.test.ts.snap
+++ b/tests/components/__snapshots__/t_call.test.ts.snap
@@ -42,6 +42,56 @@ exports[`t-call dynamic t-call 3`] = `
 }"
 `;
 
+exports[`t-call dynamic t-call with same sub component 1`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  const call = app.callTemplate.bind(app);
+  
+  return function template(ctx, node, key = \\"\\") {
+    const b2 = text(ctx['current'].template);
+    const template1 = (ctx['current'].template);
+    const b3 = call(this, template1, ctx, node, key + \`__1\`);
+    return multi([b2, b3]);
+  }
+}"
+`;
+
+exports[`t-call dynamic t-call with same sub component 2`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  const comp1 = app.createComponent(\`Child\`, true, false, false, []);
+  
+  return function template(ctx, node, key = \\"\\") {
+    return comp1({}, key + \`__1\`, node, this, null);
+  }
+}"
+`;
+
+exports[`t-call dynamic t-call with same sub component 3`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(\`child\`);
+  }
+}"
+`;
+
+exports[`t-call dynamic t-call with same sub component 4`] = `
+"function anonymous(app, bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, comment } = bdom;
+  const comp1 = app.createComponent(\`Child\`, true, false, false, []);
+  
+  return function template(ctx, node, key = \\"\\") {
+    return comp1({}, key + \`__1\`, node, this, null);
+  }
+}"
+`;
+
 exports[`t-call dynamic t-call: key is propagated 1`] = `
 "function anonymous(app, bdom, helpers
 ) {
diff --git a/tests/components/t_call.test.ts b/tests/components/t_call.test.ts
index 3e70dd6e..2080560e 100644
--- a/tests/components/t_call.test.ts
+++ b/tests/components/t_call.test.ts
@@ -398,4 +398,31 @@ describe("t-call", () => {
     });
     expect(fixture.innerHTML).toBe("");
   });
+
+  test("dynamic t-call with same sub component", async () => {
+    class Child extends Component {
+      static template = xml`child`;
+    }
+
+    class Root extends Component {
+      static template = xml`
+        <t t-esc="current.template"/>
+        <t t-call="{{current.template}}"/>`;
+      static components = { Child };
+      current = useState({ template: "A" });
+    }
+
+    const root = await mount(Root, fixture, {
+      templates: `
+        <templates>
+          <t t-name="A"><Child/></t>
+          <t t-name="B"><Child/></t>
+        </templates>`,
+    });
+    expect(fixture.innerHTML).toBe("Achild");
+
+    root.current.template = "B";
+    await nextTick();
+    expect(fixture.innerHTML).toBe("Bchild");
+  });
 });