diff --git a/settings/testing.py b/settings/testing.py
index b7756fa3..4448be54 100644
--- a/settings/testing.py
+++ b/settings/testing.py
@@ -18,3 +18,5 @@ from .development import *
 
 SKIP_SOUTH_TESTS = True
 SOUTH_TESTS_MIGRATE = False
+
+CELERY_ALWAYS_EAGER = True
diff --git a/taiga/deferred.py b/taiga/deferred.py
index e7e9b3e8..eec20909 100644
--- a/taiga/deferred.py
+++ b/taiga/deferred.py
@@ -1,6 +1,14 @@
+from django.conf import settings
+
 from .celery import app
 
 
+def _send_task(task, args, kwargs, **options):
+    if settings.CELERY_ALWAYS_EAGER:
+        return app.tasks[task].apply(args, kwargs, **options)
+    return app.send_task(task, args, kwargs, **options)
+
+
 def defer(task: str, *args, **kwargs):
     """Defer the execution of a task.
 
@@ -17,7 +25,7 @@ def defer(task: str, *args, **kwargs):
 
     :return: A future object.
     """
-    return app.send_task(task, args, kwargs, routing_key="transient.deferred")
+    return _send_task(task, args, kwargs, routing_key="transient.deferred")
 
 
 def call_async(task: str, *args, **kwargs):
@@ -40,4 +48,4 @@ def apply_async(task: str, args=None, kwargs=None, **options):
     :param kwargs: Dict of keyword arguments for the task.
     :param options: Celery-specific options when running the task. See Celery docs on `apply_async`
     """
-    app.send_task(task, args, kwargs, **options)
+    _send_task(task, args, kwargs, **options)
diff --git a/tests/unit/test_deferred.py b/tests/unit/test_deferred.py
index 29836421..e71e75d2 100644
--- a/tests/unit/test_deferred.py
+++ b/tests/unit/test_deferred.py
@@ -1,7 +1,12 @@
 from unittest import mock
+
+from taiga import celery
 from taiga.deferred import defer, call_async, apply_async
 
+from ..utils import set_settings
 
+
+@set_settings(CELERY_ALWAYS_EAGER=False)
 @mock.patch("taiga.deferred.app")
 def test_defer(app):
     name = "task name"
@@ -13,6 +18,7 @@ def test_defer(app):
     app.send_task.assert_called_once_with(name, args, kwargs, routing_key="transient.deferred")
 
 
+@set_settings(CELERY_ALWAYS_EAGER=False)
 @mock.patch("taiga.deferred.app")
 def test_apply_async(app):
     name = "task name"
@@ -24,6 +30,7 @@ def test_apply_async(app):
     app.send_task.assert_called_once_with(name, args, kwargs)
 
 
+@set_settings(CELERY_ALWAYS_EAGER=False)
 @mock.patch("taiga.deferred.app")
 def test_call_async(app):
     name = "task name"
@@ -33,3 +40,10 @@ def test_call_async(app):
     call_async(name, *args, **kwargs)
 
     app.send_task.assert_called_once_with(name, args, kwargs)
+
+
+@set_settings(CELERY_ALWAYS_EAGER=True)
+def test_task_invocation():
+    celery.app.task(name="_test_task")(lambda: 1)
+
+    assert defer("_test_task").get() == 1