diff --git a/doc/MANUAL.md b/doc/MANUAL.md
index c31eeb5..2201c5d 100644
--- a/doc/MANUAL.md
+++ b/doc/MANUAL.md
@@ -756,6 +756,7 @@ The `string` field type supports the following additional options:
 - **`minlen`**: The minimum allowed length for the field.
 - **`maxlen`**: The maximum allowed length for the field.
 - **`size`**: The size (in characters) of the input field.
+- **`default_value`**: The default value.
 
 For example:
 
@@ -782,6 +783,7 @@ The `integer` field type supports the following additional options:
 
 - **`min`**: The minimum allowed value for the field.
 - **`max`**: The maximum allowed value for the field.
+- **`default_value`**: The default value.
 
 For example:
 
@@ -806,6 +808,7 @@ The `float` field type supports the following additional options:
 
 - **`min`**: The minimum allowed value for the field.
 - **`max`**: The maximum allowed value for the field.
+- **`default_value`**: The default value.
 
 For example:
 
@@ -839,6 +842,7 @@ The `date` field type supports the following additional options:
 
 - **`min`**: The minimum allowed date (format: a string YYYY-MM-DD)
 - **`max`**: The maximum allowed date (format: a string YYYY-MM-DD)
+- **`default_value`**: The default value.
 
 For example:
 
@@ -849,7 +853,7 @@ For example:
           "title": "Birthdate",
           "type": "date",
           "min": "1900-01-01",
-          "max": "2015-01-01",
+          "max": "2015-01-01"
         }
     ]
     ...
@@ -945,6 +949,7 @@ The `text` field type supports the following additional options:
 - **`cols`**: The number of cols to make the input filed.
 - **`minlen`**: The minimum allowed length for the field.
 - **`maxlen`**: The maximum allowed length for the field.
+- **`default_value`**: The default value.
 
 For example:
 
@@ -966,6 +971,7 @@ For example:
 ### <a name="field_types_password">Password</a>
 
 - **`minlen`**: The minimum allowed length for the field.
+- **`default_value`**: The default value.
 
 ### <a name="field_types_file">File</a>
 
diff --git a/examples/megacorp_acc/megacorp_acc.json b/examples/megacorp_acc/megacorp_acc.json
index 78b3900..e43ab27 100644
--- a/examples/megacorp_acc/megacorp_acc.json
+++ b/examples/megacorp_acc/megacorp_acc.json
@@ -22,6 +22,14 @@
                     "title": "Last name",
                     "type": "string"
                 },
+                {
+                    "name": "birthdate",
+                    "title": "Birthdate",
+                    "type": "date",
+                    "min": "1900-01-01",
+                    "max": "2015-01-01",
+                    "default_value": "1980-02-05"
+                },
                 {
                     "name": "email_address",
                     "title": "What's your email address?",
@@ -37,24 +45,6 @@
             "description": "Please check which topics you are interested in",
             "script": "job_signup_step2.sh",
             "fields": [
-                {
-                    "name": "first_name",
-                    "title": "First name",
-                    "type": "string",
-                    "hidden": true
-                },
-                {
-                    "name": "last_name",
-                    "title": "Last name",
-                    "type": "string",
-                    "hidden": true
-                },
-                {
-                    "name": "email_address",
-                    "title": "What's your email address?",
-                    "type": "string",
-                    "hidden": true
-                },
                 {
                     "name": "check_company",
                     "title": "Negacorp Company news",
@@ -154,6 +144,7 @@
                     "title": "From IP Address",
                     "type": "string",
                     "required": true,
+                    "default_value": "192.168.4.",
                     "min_length": 7,
                     "size": 15
                 },
@@ -162,7 +153,8 @@
                     "title": "Expire (days)",
                     "type": "integer",
                     "max": 31,
-                    "min": 2
+                    "min": 2,
+                    "default_value": 7
                 },
                 {
                     "name": "network",
diff --git a/src/formdefinition.py b/src/formdefinition.py
index 75f056e..4c1cf65 100644
--- a/src/formdefinition.py
+++ b/src/formdefinition.py
@@ -18,13 +18,14 @@ class FormDefinition(object):
     for validation of the form values.
     """
     def __init__(self, name, title, description, fields, script,
-                 output='escaped', hidden=False, submit_title="Submit",
-                 allowed_users=None, run_as=None):
+                 default_value=None, output='escaped', hidden=False,
+                 submit_title="Submit", allowed_users=None, run_as=None):
         self.name = name
         self.title = title
         self.description = description
         self.fields = fields
         self.script = script
+        self.default_value = default_value
         self.output = output
         self.hidden = hidden
         self.submit_title = submit_title
diff --git a/src/scriptform.py b/src/scriptform.py
index 62e118a..39ad486 100755
--- a/src/scriptform.py
+++ b/src/scriptform.py
@@ -111,6 +111,7 @@ class ScriptForm(object):
                                form['description'],
                                form['fields'],
                                script,
+                               default_value=form.get('default_value', ""),
                                output=form.get('output', 'escaped'),
                                hidden=form.get('hidden', False),
                                submit_title=form.get('submit_title', 'Submit'),
diff --git a/src/webapp.py b/src/webapp.py
index b5a0a4f..271d10e 100644
--- a/src/webapp.py
+++ b/src/webapp.py
@@ -280,7 +280,8 @@ class ScriptFormWebApp(RequestHandler):
 
             # Get field-specific parameters
             if field['type'] not in ('file', 'checkbox'):
-                params['value'] = form_values.get(field['name'], '')
+                default_value = field.get('default_value', '')
+                params['value'] = form_values.get(field['name'], default_value)
 
             if field['type'] not in ('radio', 'checkbox', 'select'):
                 params['required'] = field.get('required', False)