diff --git a/tfjs-backend-wasm/src/backend_wasm.ts b/tfjs-backend-wasm/src/backend_wasm.ts
index 9db6a3dbfe1..7c586464545 100644
--- a/tfjs-backend-wasm/src/backend_wasm.ts
+++ b/tfjs-backend-wasm/src/backend_wasm.ts
@@ -170,7 +170,7 @@ export class BackendWasm extends KernelBackend {
       case 'bool':
         return new Uint8Array(buffer, memoryOffset, size);
       default:
-        throw new Error(`Uknown dtype ${dtype}`);
+        throw new Error(`Unknown dtype ${dtype}`);
     }
   }
 }