diff --git a/application/controllers/ProcessController.php b/application/controllers/ProcessController.php
index 7276dc5..08666a3 100644
--- a/application/controllers/ProcessController.php
+++ b/application/controllers/ProcessController.php
@@ -32,6 +32,11 @@ class Bpapp_ProcessController extends Controller
             $bp->setSimulationMode();
             $this->addSimulation($bp);
         }
+
+        if ($this->params->get('edit')) {
+            $bp->setEditMode();
+        }
+
     }
 
     public function sourceAction()
diff --git a/application/views/scripts/editlink.phtml b/application/views/scripts/editlink.phtml
new file mode 100644
index 0000000..d00d340
--- /dev/null
+++ b/application/views/scripts/editlink.phtml
@@ -0,0 +1,9 @@
+  <?php if ($this->bp->isEditMode()): ?>
+  <?php if ($this->bp->hasBeenChanged()): ?>
+  <a href="<?= $this->url()->without('edit') ?>" title="<?= $this->escape('Store modifications') ?>"><?= $this->icon('ok') ?></a>
+  <?php endif ?>
+  <a href="<?= $this->url()->without('edit') ?>" title="<?= $this->escape('Dismiss modifications') ?>"><?= $this->icon('cancel') ?></a>
+  <?php else: ?>
+  <a href="<?= $this->url()->with('edit', true) ?>" title="<?= $this->escape('Modify this process') ?>"><?= $this->icon('wrench') ?></a>
+  <?php endif ?>
+
diff --git a/application/views/scripts/process/show.phtml b/application/views/scripts/process/show.phtml
index 1ad9546..c91c15e 100644
--- a/application/views/scripts/process/show.phtml
+++ b/application/views/scripts/process/show.phtml
@@ -3,6 +3,7 @@
   <h1><?= $this->escape($this->title) ?>
   <a href="<?= $this->url()->with('mode', 'toplevel') ?>" title="<?= $this->escape('Switch to toplevel view') ?>"><?= $this->icon('dashboard') ?></a>
   <?= $this->render('simulationlink.phtml') ?>
+  <?= $this->render('editlink.phtml') ?>
 </h1>
 </div>