diff --git a/main/admin/skill_translate.php b/main/admin/skill_translate.php
index 342876cb52..821042161b 100644
--- a/main/admin/skill_translate.php
+++ b/main/admin/skill_translate.php
@@ -4,6 +4,7 @@
 use \Chamilo\CoreBundle\Entity\ExtraField;
 use Chamilo\CoreBundle\Entity\Skill;
 use Chamilo\CoreBundle\Entity\Language;
+use Chamilo\CoreBundle\Component\Utils\ChamiloApi;
 
 $cidReset = true;
 
@@ -24,13 +25,15 @@ if (isset($_GET['skill'])) {
     $skill = $em->find('ChamiloCoreBundle:Skill', intval($_GET['skill']));
 
     if ($action === 'name') {
-        $variableLanguage = '$Skill'.api_underscore_to_camel_case(
-            str_replace(' ', '_', $skill->getName(false))
+        $variableLanguage = ChamiloApi::getLanguageVar(
+            $skill->getName(false),
+            'Skill'
         );
         $originalName = $skill->getName(false);
     } elseif ($action === 'code') {
-        $variableLanguage = '$SkillCode'.api_underscore_to_camel_case(
-            str_replace(' ', '_', $skill->getShortCode(false))
+        $variableLanguage = ChamiloApi::getLanguageVar(
+            $skill->getShortCode(false),
+            'SkillCode'
         );
         $originalName = $skill->getShortCode(false);
     }
@@ -82,7 +85,7 @@ if ($languageId) {
 }
 
 $form->setDefaults([
-    'variable_language' => $variableLanguage,
+    'variable_language' => '$'.$variableLanguage,
     'original_name' => $originalName,
     'sub_language' => $languageId,
     'new_language' => $action === 'code' ? $skill->getShortCode() : $skill->getName()
diff --git a/main/inc/lib/skill.lib.php b/main/inc/lib/skill.lib.php
index 0acf2da8f1..07c45d83b9 100755
--- a/main/inc/lib/skill.lib.php
+++ b/main/inc/lib/skill.lib.php
@@ -3,6 +3,7 @@
 
 use Chamilo\UserBundle\Entity\User;
 use Chamilo\UserBundle\Entity\Repository\UserRepository;
+use Chamilo\CoreBundle\Component\Utils\ChamiloApi;
 
 /**
  * Class SkillProfile
@@ -1967,11 +1968,9 @@ class Skill extends Model
      */
     public static function translateName($name)
     {
-        $camelCase = 'Skill'.api_underscore_to_camel_case(
-            str_replace(' ', '_', $name)
-        );
+        $variable = ChamiloApi::getLanguageVar($name, 'Skill');
 
-        return isset($GLOBALS[$camelCase]) ? $GLOBALS[$camelCase] : $name;
+        return isset($GLOBALS[$variable]) ? $GLOBALS[$variable] : $name;
     }
 
     public static function translateCode($code)
@@ -1980,10 +1979,8 @@ class Skill extends Model
             return '';
         }
 
-        $camelCase = 'SkillCode'.api_underscore_to_camel_case(
-            str_replace(' ', '_', $code)
-        );
+        $variable = ChamiloApi::getLanguageVar($code, 'SkillCode');
 
-        return isset($GLOBALS[$camelCase]) ? $GLOBALS[$camelCase] : $code;
+        return isset($GLOBALS[$variable]) ? $GLOBALS[$variable] : $code;
     }
 }
diff --git a/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php b/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php
index f51942ec22..f3f6f1f3dd 100644
--- a/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php
+++ b/src/Chamilo/CoreBundle/Component/Utils/ChamiloApi.php
@@ -214,4 +214,21 @@ class ChamiloApi
 
         return $requestedWith === 'XMLHttpRequest';
     }
+
+    /**
+     * Get a variable name for language file from a text
+     * @param string $text
+     * @param string $prefix
+     * @return string
+     */
+    public static function getLanguageVar($text, $prefix = '')
+    {
+        $text = api_replace_dangerous_char($text);
+        $text = str_replace(['-', ' '], '_', $text);
+        $text = preg_replace('/\_{1,}/', '_', $text);
+        //$text = str_replace('_', '', $text);
+        $text = api_underscore_to_camel_case($text);
+
+        return $prefix.$text;
+    }
 }
diff --git a/src/Chamilo/CoreBundle/Entity/Skill.php b/src/Chamilo/CoreBundle/Entity/Skill.php
index 329efe47c6..9c34a0124d 100644
--- a/src/Chamilo/CoreBundle/Entity/Skill.php
+++ b/src/Chamilo/CoreBundle/Entity/Skill.php
@@ -3,6 +3,7 @@
 
 namespace Chamilo\CoreBundle\Entity;
 
+use Chamilo\CoreBundle\Component\Utils\ChamiloApi;
 use Chamilo\SkillBundle\Entity\Profile;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\Mapping as ORM;
@@ -124,11 +125,9 @@ class Skill
     public function getName($translated = true)
     {
         if ($translated) {
-            $camelCase = 'Skill'.api_underscore_to_camel_case(
-                str_replace(' ', '_', $this->name)
-            );
+            $variable = ChamiloApi::getLanguageVar($this->name, 'Skill');
 
-            return isset($GLOBALS[$camelCase]) ? $GLOBALS[$camelCase] : $this->name;
+            return isset($GLOBALS[$variable]) ? $GLOBALS[$variable] : $this->name;
         }
 
         return $this->name;
@@ -156,11 +155,9 @@ class Skill
     public function getShortCode($translated = true)
     {
         if ($translated && !empty($this->shortCode)) {
-            $camelCase = 'SkillCode'.api_underscore_to_camel_case(
-                str_replace(' ', '_', $this->shortCode)
-            );
+            $variable = ChamiloApi::getLanguageVar($this->shortCode, 'SkillCode');
 
-            return isset($GLOBALS[$camelCase]) ? $GLOBALS[$camelCase] : $this->shortCode;
+            return isset($GLOBALS[$variable]) ? $GLOBALS[$variable] : $this->shortCode;
         }
 
         return $this->shortCode;