diff --git a/UPDATING.md b/UPDATING.md
index fbea0b3af9d88..336459bad87ae 100644
--- a/UPDATING.md
+++ b/UPDATING.md
@@ -25,6 +25,7 @@ assists users migrating to a new version.
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 **Table of contents**
 
+- [Airflow 1.10.11](#airflow-11011)
 - [Airflow 1.10.10](#airflow-11010)
 - [Airflow 1.10.9](#airflow-1109)
 - [Airflow 1.10.8](#airflow-1108)
@@ -59,6 +60,12 @@ https://developers.google.com/style/inclusive-documentation
 
 -->
 
+## Airflow 1.10.11
+
+### Use NULL as default value for dag.description
+
+Now use NULL as default value for dag.description in dag table
+
 ## Airflow 1.10.10
 
 ### Setting Empty string to a Airflow Variable will return an empty string
diff --git a/airflow/models/dag.py b/airflow/models/dag.py
index 4d7eef86b1126..3f46bf6f9d18d 100644
--- a/airflow/models/dag.py
+++ b/airflow/models/dag.py
@@ -215,7 +215,7 @@ class DAG(BaseDag, LoggingMixin):
     def __init__(
         self,
         dag_id,  # type: str
-        description='',  # type: str
+        description=None,  # type: Optional[str]
         schedule_interval=timedelta(days=1),  # type: Optional[ScheduleInterval]
         start_date=None,  # type: Optional[datetime]
         end_date=None,  # type: Optional[datetime]
diff --git a/airflow/www/templates/airflow/dag.html b/airflow/www/templates/airflow/dag.html
index 583e2c7706ce6..89d3ce072dbc3 100644
--- a/airflow/www/templates/airflow/dag.html
+++ b/airflow/www/templates/airflow/dag.html
@@ -35,7 +35,8 @@ <h3 class="pull-left">
         <span style='color:#AAA;'>SUBDAG: </span> <span> {{ dag.dag_id }}</span>
       {% else %}
         <input id="pause_resume" dag_id="{{ dag.dag_id }}" type="checkbox" {{ "checked" if not dag.is_paused else "" }} data-toggle="toggle" data-size="mini" method="post">
-        <span style='color:#AAA;'>DAG: </span> <span> {{ dag.dag_id }}</span> <small class="text-muted"> {{ dag.description_unicode }} </small>
+        <span style='color:#AAA;'>DAG: </span> <span> {{ dag.dag_id }}</span>
+        <small class="text-muted"> {{ dag.description_unicode[0:150] + '...' if dag.description_unicode and dag.description_unicode|length > 150 else dag.description_unicode|default('', true) }} </small>
       {% endif %}
       {% if root %}
         <span style='color:#AAA;'>ROOT: </span> <span> {{ root }}</span>
diff --git a/airflow/www/templates/airflow/dags.html b/airflow/www/templates/airflow/dags.html
index 5c3806d56700a..ec4e4d0990b5e 100644
--- a/airflow/www/templates/airflow/dags.html
+++ b/airflow/www/templates/airflow/dags.html
@@ -81,8 +81,9 @@ <h2>DAGs</h2>
 
                 <!-- Column 3: Name -->
                 <td>
-                  <a href="{{ url_for('airflow.'+ dag.get_default_view(), dag_id=dag.dag_id) }}" title="{{ dag.description[0:80] + '...' if dag.description|length > 80 else dag.description }}">
-                      {{ dag.dag_id }}
+                  <a href="{{ url_for('airflow.'+ dag.get_default_view(), dag_id=dag.dag_id) }}"
+                         title="{{ dag.description[0:80] + '...' if dag.description and dag.description|length > 80 else dag.description|default('', true) }}">
+                          {{ dag.dag_id }}
                   </a>
                 </td>
 
diff --git a/airflow/www_rbac/templates/airflow/dag.html b/airflow/www_rbac/templates/airflow/dag.html
index 2f604db5eec32..dda7cf939f1bd 100644
--- a/airflow/www_rbac/templates/airflow/dag.html
+++ b/airflow/www_rbac/templates/airflow/dag.html
@@ -32,7 +32,8 @@ <h3 class="pull-left">
         <span style='color:#AAA;'>SUBDAG: </span> <span> {{ dag.dag_id }}</span>
       {% else %}
         <input id="pause_resume" dag_id="{{ dag.dag_id }}" type="checkbox" {{ "checked" if not dag.is_paused else "" }} data-toggle="toggle" data-size="mini" method="post">
-        <span style='color:#AAA;'>DAG: </span> <span> {{ dag.dag_id }}</span> <small class="text-muted"> {{ dag.description_unicode }} </small>
+        <span style='color:#AAA;'>DAG: </span> <span> {{ dag.dag_id }}</span>
+        <small class="text-muted"> {{ dag.description_unicode[0:150] + '...' if dag.description_unicode and dag.description_unicode|length > 150 else dag.description_unicode|default('', true) }} </small>
       {% endif %}
       {% if root %}
         <span style='color:#AAA;'>ROOT: </span> <span> {{ root }}</span>
diff --git a/airflow/www_rbac/templates/airflow/dags.html b/airflow/www_rbac/templates/airflow/dags.html
index ce5c559334a1b..91ac604aab672 100644
--- a/airflow/www_rbac/templates/airflow/dags.html
+++ b/airflow/www_rbac/templates/airflow/dags.html
@@ -102,7 +102,8 @@ <h2>DAGs</h2>
             <!-- Column 3: Name -->
                 <td>
                   <span>
-                    <a href="{{ url_for('Airflow.'+ dag.get_default_view(), dag_id=dag.dag_id) }}" title="{{ dag.description[0:80] + '...' if dag.description|length > 80 else dag.description }}">
+                    <a href="{{ url_for('Airflow.'+ dag.get_default_view(), dag_id=dag.dag_id) }}"
+                       title="{{ dag.description[0:80] + '...' if dag.description and dag.description|length > 80 else dag.description|default('', true) }}">
                         {{ dag.dag_id }}
                     </a>
                   </span>