diff --git a/cosmos/config.py b/cosmos/config.py
index 4a914e56d8..f5c7e494ea 100644
--- a/cosmos/config.py
+++ b/cosmos/config.py
@@ -434,9 +434,13 @@ class ExecutionConfig:
     async_py_requirements: list[str] | None = None
 
     def __post_init__(self, dbt_project_path: str | Path | None) -> None:
-        if self.invocation_mode and self.execution_mode not in (ExecutionMode.LOCAL, ExecutionMode.VIRTUALENV):
+        if self.invocation_mode and self.execution_mode not in (
+            ExecutionMode.WATCHER,
+            ExecutionMode.LOCAL,
+            ExecutionMode.VIRTUALENV,
+        ):
             raise CosmosValueError(
-                "ExecutionConfig.invocation_mode is only configurable for ExecutionMode.LOCAL and ExecutionMode.VIRTUALENV."
+                "ExecutionConfig.invocation_mode is only configurable for ExecutionMode.WATCHER, ExecutionMode.LOCAL, and ExecutionMode.VIRTUALENV."
             )
         if self.execution_mode == ExecutionMode.VIRTUALENV:
             if self.invocation_mode == InvocationMode.DBT_RUNNER:
diff --git a/dev/dags/example_watcher.py b/dev/dags/example_watcher.py
index 0ba685e0d5..74998646db 100644
--- a/dev/dags/example_watcher.py
+++ b/dev/dags/example_watcher.py
@@ -40,12 +40,12 @@
     operator_args["trigger_rule"] = "all_success"
 
 
+from cosmos.constants import InvocationMode
+
 # [START example_watcher]
 example_watcher = DbtDag(
     # dbt/cosmos-specific parameters
-    execution_config=ExecutionConfig(
-        execution_mode=ExecutionMode.WATCHER,
-    ),
+    execution_config=ExecutionConfig(execution_mode=ExecutionMode.WATCHER, invocation_mode=InvocationMode.DBT_RUNNER),
     project_config=ProjectConfig(DBT_PROJECT_PATH),
     profile_config=profile_config,
     operator_args=operator_args,