diff --git a/Theme/Backend/kanban-board.tpl.php b/Theme/Backend/kanban-board.tpl.php
index 4538047..1e8607c 100755
--- a/Theme/Backend/kanban-board.tpl.php
+++ b/Theme/Backend/kanban-board.tpl.php
@@ -37,7 +37,7 @@ $layout      = \max(4, $columnCount);
                     <article><?= $card->description; ?></article>
 
                     <?php $tags = $card->getTags(); foreach ($tags as $tag) : ?>
-                        <span class="tag" style="background: <?= $this->printHtml($tag->color); ?>"><?= !empty($tag->icon) ? '<i class="' . $this->printHtml($tag->icon) . '"></i>' : ''; ?><?= $this->printHtml($tag->getL11n()); ?></span>
+                        <span class="tag" style="background: <?= $this->printHtml($tag->color); ?>"><?= empty($tag->icon) ? '' : '<i class="' . $this->printHtml($tag->icon) . '"></i>'; ?><?= $this->printHtml($tag->getL11n()); ?></span>
                     <?php endforeach; ?>
                 </div>
                 <div class="portlet-foot">
diff --git a/Theme/Backend/kanban-dashboard.tpl.php b/Theme/Backend/kanban-dashboard.tpl.php
index d7e2057..235450d 100755
--- a/Theme/Backend/kanban-dashboard.tpl.php
+++ b/Theme/Backend/kanban-dashboard.tpl.php
@@ -45,7 +45,7 @@ echo $this->data['nav']->render(); ?>
             <div class="portlet-body">
                 <article><?= $board->description; ?></article>
                 <?php $tags = $board->getTags(); foreach ($tags as $tag) : ?>
-                    <span class="tag" style="background: <?= $this->printHtml($tag->color); ?>"><?= !empty($tag->icon) ? '<i class="' . $this->printHtml($tag->icon) . '"></i>' : ''; ?><?= $this->printHtml($tag->getL11n()); ?></span>
+                    <span class="tag" style="background: <?= $this->printHtml($tag->color); ?>"><?= empty($tag->icon) ? '' : '<i class="' . $this->printHtml($tag->icon) . '"></i>'; ?><?= $this->printHtml($tag->getL11n()); ?></span>
                 <?php endforeach; ?>
             </div>
             <div class="portlet-foot">
diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
index b904f0c..44438e2 100755
--- a/tests/Bootstrap.php
+++ b/tests/Bootstrap.php
@@ -381,7 +381,7 @@ function phpServe() : void
 
     // Execute the command and store the process ID
     $output = [];
-    echo \sprintf('Starting server...') . \PHP_EOL;
+    echo 'Starting server...' . \PHP_EOL;
     echo \sprintf(' Current directory: %s', \getcwd()) . \PHP_EOL;
     echo \sprintf(' %s', $command);
     \exec($command, $output);
@@ -406,7 +406,7 @@ function phpServe() : void
 
     // Kill the web server when the process ends
     \register_shutdown_function(function() use ($killCommand, $pid) : void {
-        echo \PHP_EOL . \sprintf('Stopping server...') . \PHP_EOL;
+        echo \PHP_EOL . 'Stopping server...' . \PHP_EOL;
         echo \sprintf(' %s - Killing process with ID %d', \date('r'), $pid) . \PHP_EOL;
         \exec($killCommand . $pid);
     });