diff --git a/Theme/Backend/gl-list.tpl.php b/Theme/Backend/gl-list.tpl.php
index 602dfcc..81b406b 100644
--- a/Theme/Backend/gl-list.tpl.php
+++ b/Theme/Backend/gl-list.tpl.php
@@ -35,7 +35,7 @@ echo $this->getData('nav')->render(); ?>
                 <tfoot>
                 <tr><td colspan="5">
                 <tbody>
-                <?php $c = 0; foreach ([] as $key => $value) : $c++;
+                <?php $c = 0; foreach ([] as $key => $value) : ++$c;
                 $url = \phpOMS\Uri\UriFactory::build('{/prefix}admin/group/settings?{?}&id=' . $value->getId()); ?>
                 <tr>
                     <td><a href="<?= $url; ?>"><?= $this->printHtml($value->getId()); ?></a>
diff --git a/Theme/Backend/journal-list.tpl.php b/Theme/Backend/journal-list.tpl.php
index 19a4e0a..9648bfb 100644
--- a/Theme/Backend/journal-list.tpl.php
+++ b/Theme/Backend/journal-list.tpl.php
@@ -33,7 +33,7 @@ echo $this->getData('nav')->render(); ?>
         <tfoot>
         <tr><td colspan="5">
         <tbody>
-        <?php $c = 0; foreach ([] as $key => $value) : $c++;
+        <?php $c = 0; foreach ([] as $key => $value) : ++$c;
         $url = \phpOMS\Uri\UriFactory::build('{/prefix}admin/group/settings?{?}&id=' . $value->getId()); ?>
         <tr>
             <td><a href="<?= $url; ?>"><?= $this->printHtml($value->getId()); ?></a>
diff --git a/Theme/Backend/stack-archive-list.tpl.php b/Theme/Backend/stack-archive-list.tpl.php
index c02dad0..ad1551b 100644
--- a/Theme/Backend/stack-archive-list.tpl.php
+++ b/Theme/Backend/stack-archive-list.tpl.php
@@ -35,7 +35,7 @@ echo $this->getData('nav')->render(); ?>
         <tfoot>
         <tr><td colspan="5">
         <tbody>
-        <?php $c = 0; foreach ([] as $key => $value) : $c++;
+        <?php $c = 0; foreach ([] as $key => $value) : ++$c;
         $url = \phpOMS\Uri\UriFactory::build('{/prefix}admin/group/settings?{?}&id=' . $value->getId()); ?>
         <tr>
             <td><a href="<?= $url; ?>"><?= $this->printHtml($value->getId()); ?></a>
diff --git a/Theme/Backend/stack-list.tpl.php b/Theme/Backend/stack-list.tpl.php
index c915107..f17e81f 100644
--- a/Theme/Backend/stack-list.tpl.php
+++ b/Theme/Backend/stack-list.tpl.php
@@ -37,7 +37,7 @@ echo $this->getData('nav')->render(); ?>
                 <tfoot>
                 <tr><td colspan="5">
                 <tbody>
-                <?php $c = 0; foreach ([] as $key => $value) : $c++;
+                <?php $c = 0; foreach ([] as $key => $value) : ++$c;
                 $url = \phpOMS\Uri\UriFactory::build('{/prefix}admin/group/settings?{?}&id=' . $value->getId()); ?>
                 <tr>
                     <td><a href="<?= $url; ?>"><?= $this->printHtml($value->getId()); ?></a>
diff --git a/Theme/Backend/stack-predefined-list.tpl.php b/Theme/Backend/stack-predefined-list.tpl.php
index 64d1ccb..86165ef 100644
--- a/Theme/Backend/stack-predefined-list.tpl.php
+++ b/Theme/Backend/stack-predefined-list.tpl.php
@@ -36,7 +36,7 @@ echo $this->getData('nav')->render(); ?>
         <tfoot>
         <tr><td colspan="5">
         <tbody>
-        <?php $c = 0; foreach ([] as $key => $value) : $c++;
+        <?php $c = 0; foreach ([] as $key => $value) : ++$c;
         $url = \phpOMS\Uri\UriFactory::build('{/prefix}admin/group/settings?{?}&id=' . $value->getId()); ?>
         <tr>
             <td><a href="<?= $url; ?>"><?= $this->printHtml($value->getId()); ?></a>