diff --git a/module/projectrelease/control.php b/module/projectrelease/control.php
index c2730a4103..28efa7ccd7 100644
--- a/module/projectrelease/control.php
+++ b/module/projectrelease/control.php
@@ -181,10 +181,10 @@ class projectrelease extends control
             $system = $this->loadModel('system')->fetchByID($releaseData->system);
             if($system->integrated == '1')
             {
-                $releases = array_filter((array)$this->post->releases);
+                $releases = (array)$this->post->releases;
 
                 $releaseData->build    = '';
-                $releaseData->releases = trim(implode(',', $releases), ',');
+                $releaseData->releases = trim(implode(',', array_filter($releases)), ',');
                 if(!$releaseData->releases) dao::$errors['releases[' . key($releases) . ']'][] = sprintf($this->lang->error->notempty, $this->lang->release->name);
             }
             if(dao::isError()) return $this->sendError(dao::getError());
diff --git a/module/projectrelease/zen.php b/module/projectrelease/zen.php
index 3545e31519..dccba67377 100644
--- a/module/projectrelease/zen.php
+++ b/module/projectrelease/zen.php
@@ -67,10 +67,10 @@ class projectreleaseZen extends projectrelease
 
             if($system->integrated == '1')
             {
-                $releases = array_filter((array)$this->post->releases);
+                $releases = (array)$this->post->releases;
 
                 $release->build    = '';
-                $release->releases = trim(implode(',', $releases), ',');
+                $release->releases = trim(implode(',', array_filter($releases)), ',');
                 if(!$release->releases) dao::$errors['releases[' . key($releases) . ']'][] = sprintf($this->lang->error->notempty, $this->lang->release->name);
             }
         }
diff --git a/module/release/control.php b/module/release/control.php
index b7ffe70dd8..4d768c8b0a 100755
--- a/module/release/control.php
+++ b/module/release/control.php
@@ -178,10 +178,10 @@ class release extends control
             $system = $this->loadModel('system')->fetchByID($releaseData->system);
             if($system->integrated == '1')
             {
-                $releases = array_filter((array)$this->post->releases);
+                $releases = (array)$this->post->releases;
 
                 $releaseData->build    = '';
-                $releaseData->releases = trim(implode(',', $releases), ',');
+                $releaseData->releases = trim(implode(',', array_filter($releases)), ',');
                 if(!$releaseData->releases) dao::$errors['releases[' . key($releases) . ']'][] = sprintf($this->lang->error->notempty, $this->lang->release->name);
             }
             if(dao::isError()) return $this->sendError(dao::getError());
diff --git a/module/release/zen.php b/module/release/zen.php
index 5ccf298324..b369e59bc9 100644
--- a/module/release/zen.php
+++ b/module/release/zen.php
@@ -111,10 +111,10 @@ class releaseZen extends release
 
             if($system->integrated == '1')
             {
-                $releases = array_filter((array)$this->post->releases);
+                $releases = (array)$this->post->releases;
 
                 $release->build    = '';
-                $release->releases = trim(implode(',', $releases), ',');
+                $release->releases = trim(implode(',', array_filter($releases)), ',');
                 if(!$release->releases) dao::$errors['releases[' . key($releases) . ']'][] = sprintf($this->lang->error->notempty, $this->lang->release->name);
             }
         }