diff --git a/include/lib/http_input.class.php b/include/lib/http_input.class.php
index 5dd1a33ca..35922702a 100644
--- a/include/lib/http_input.class.php
+++ b/include/lib/http_input.class.php
@@ -108,7 +108,8 @@ class HttpInput
                 if (array_key_exists($p_name,$this->array) )
                 {
                     $this->check_type($p_name, $p_type);
-                    return strip_tags($this->array[$p_name]);
+ 		    if ( is_string($this->array[$p_name]) ) return strip_tags($this->array[$p_name]);
+		    return $this->array[$p_name];
                 }
                 else
                 {
@@ -121,7 +122,8 @@ class HttpInput
                 EXC_PARAM_VALUE);
             }
             $this->check_type($p_name, $p_type);
-            return strip_tags($this->array[$p_name]);
+	    if ( is_string($this->array[$p_name]) ) return strip_tags($this->array[$p_name]);
+	    return $this->array[$p_name];
         }
         catch (Exception $e)
         {