diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index cae1a3f..b42d0e0 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -640,17 +640,17 @@
 	 */
 	function is_natural_no_zero($str)
 	{   
-    	if ( ! preg_match( '/^[0-9]+$/', $str))
-    	{
-    		return FALSE;
-    	}
-    	
-    	if ($str == 0)
-    	{
-    		return FALSE;
-    	}
-    
-   		return TRUE;
+		if ( ! preg_match( '/^[0-9]+$/', $str))
+		{
+			return FALSE;
+		}
+	
+		if ($str == 0)
+		{
+			return FALSE;
+		}
+
+		return TRUE;
 	}
 
 	// --------------------------------------------------------------------