diff --git a/library/Icinga/Data/Filter/FilterParseException.php b/library/Icinga/Data/Filter/FilterParseException.php
index bb90067b8..5633b5adf 100644
--- a/library/Icinga/Data/Filter/FilterParseException.php
+++ b/library/Icinga/Data/Filter/FilterParseException.php
@@ -4,8 +4,8 @@
 
 namespace Icinga\Data\Filter;
 
-use Exception;
+use Icinga\Exception\IcingaException;
 
-class FilterParseException extends Exception
+class FilterParseException extends IcingaException
 {
 }
diff --git a/library/Icinga/Data/Filter/FilterQueryString.php b/library/Icinga/Data/Filter/FilterQueryString.php
index 88d3f0a37..3dbcce473 100644
--- a/library/Icinga/Data/Filter/FilterQueryString.php
+++ b/library/Icinga/Data/Filter/FilterQueryString.php
@@ -15,7 +15,7 @@ class FilterQueryString
     protected $reportDebug = false;
 
     protected $length;
-    
+
     protected function __construct()
     {
     }
@@ -111,13 +111,13 @@ class FilterQueryString
             $extra .= "\n" . implode("\n", $this->debug);
         }
 
-        throw new FilterParseException(sprintf(
+        throw new FilterParseException(
             'Invalid filter "%s", unexpected %s at pos %d%s',
             $this->string,
             $char,
             $this->pos,
             $extra
-        ));
+        );
     }
 
     protected function readFilters($nestingLevel = 0, $op = null)