diff --git a/app/Template/column/create.php b/app/Template/column/create.php
index 034e948c1..1a91ee0b6 100644
--- a/app/Template/column/create.php
+++ b/app/Template/column/create.php
@@ -8,7 +8,7 @@
     <?= $this->form->text('title', $values, $errors, array('autofocus', 'required', 'maxlength="191"', 'tabindex="1"')) ?>
 
     <?= $this->form->label(t('Task limit'), 'task_limit') ?>
-    <?= $this->form->number('task_limit', $values, $errors, array('tabindex="2"')) ?>
+    <?= $this->form->number('task_limit', $values, $errors, array('tabindex="2"', 'min="0"')) ?>
 
     <?= $this->form->checkbox('hide_in_dashboard', t('Hide tasks in this column in the dashboard'), 1, false, '', array('tabindex' => 3)) ?>
 
diff --git a/app/Template/column/edit.php b/app/Template/column/edit.php
index def0f2999..c5a3ae14a 100644
--- a/app/Template/column/edit.php
+++ b/app/Template/column/edit.php
@@ -9,7 +9,7 @@
     <?= $this->form->text('title', $values, $errors, array('autofocus', 'required', 'maxlength="191"')) ?>
 
     <?= $this->form->label(t('Task limit'), 'task_limit') ?>
-    <?= $this->form->number('task_limit', $values, $errors) ?>
+    <?= $this->form->number('task_limit', $values, $errors, array('min="0"')) ?>
 
     <?= $this->form->checkbox('hide_in_dashboard', t('Hide tasks in this column in the dashboard'), 1, $values['hide_in_dashboard'] == 1) ?>
 
diff --git a/app/Template/project_creation/create.php b/app/Template/project_creation/create.php
index a7619ee88..404ac1efa 100644
--- a/app/Template/project_creation/create.php
+++ b/app/Template/project_creation/create.php
@@ -17,7 +17,7 @@
         <?= $this->form->checkbox('per_swimlane_task_limits', t('Column task limits apply to each swimlane individually'), 1, false) ?>
 
         <?= $this->form->label(t('Task limit'), 'task_limit') ?>
-        <?= $this->form->number('task_limit', $values, $errors) ?>
+        <?= $this->form->number('task_limit', $values, $errors, array('min="0"')) ?>
 
         <?php if (count($projects_list) > 1): ?>
             <?= $this->form->label(t('Create from another project'), 'src_project_id') ?>
diff --git a/app/Template/project_edit/show.php b/app/Template/project_edit/show.php
index be849cce9..6fe32f851 100644
--- a/app/Template/project_edit/show.php
+++ b/app/Template/project_edit/show.php
@@ -30,7 +30,7 @@
         <?= $this->form->checkbox('per_swimlane_task_limits', t('Task limits apply to each swimlane individually'), 1, $project['per_swimlane_task_limits'] == 1, '', array('tabindex' => 5)) ?>
 
         <?= $this->form->label(t('Task limit'), 'task_limit') ?>
-        <?= $this->form->number('task_limit', $values, $errors, array('tabindex' => 6)) ?>
+        <?= $this->form->number('task_limit', $values, $errors, array('tabindex' => 6, 'min="0"')) ?>
     </fieldset>
 
     <fieldset>
diff --git a/app/Template/swimlane/create.php b/app/Template/swimlane/create.php
index 3a6519613..8ecfa5232 100644
--- a/app/Template/swimlane/create.php
+++ b/app/Template/swimlane/create.php
@@ -11,7 +11,7 @@
     <?= $this->form->textEditor('description', $values, $errors, array('tabindex' => 2)) ?>
 
     <?= $this->form->label(t('Task limit'), 'task_limit') ?>
-    <?= $this->form->number('task_limit', $values, $errors, array('tabindex' => 3)) ?>
+    <?= $this->form->number('task_limit', $values, $errors, array('tabindex' => 3, 'min="0"')) ?>
 
     <?= $this->modal->submitButtons() ?>
 </form>
diff --git a/app/Template/swimlane/edit.php b/app/Template/swimlane/edit.php
index ebe6a3458..046407a88 100644
--- a/app/Template/swimlane/edit.php
+++ b/app/Template/swimlane/edit.php
@@ -12,7 +12,7 @@
     <?= $this->form->textEditor('description', $values, $errors, array('tabindex' => 2)) ?>
 
     <?= $this->form->label(t('Task limit'), 'task_limit') ?>
-    <?= $this->form->number('task_limit', $values, $errors, array('tabindex' => 3)) ?>
+    <?= $this->form->number('task_limit', $values, $errors, array('tabindex' => 3, 'min="0"')) ?>
 
     <?= $this->modal->submitButtons() ?>
 </form>