diff --git a/app/Lib/Tools/ComplexTypeTool.php b/app/Lib/Tools/ComplexTypeTool.php
index 1c29d3eb6..5d2f72a99 100644
--- a/app/Lib/Tools/ComplexTypeTool.php
+++ b/app/Lib/Tools/ComplexTypeTool.php
@@ -322,12 +322,14 @@ class ComplexTypeTool
         if (preg_match("#^cve-[0-9]{4}-[0-9]{4,9}$#i", $input['raw'])) {
             return array('types' => array('vulnerability'), 'categories' => array('External analysis'), 'to_ids' => false, 'default_type' => 'vulnerability', 'value' => $input['raw']);
         }
-        // Phone numbers - for automatic recognition, needs to start with + or include dashes
-        if ($input['raw'][0] === '+' || strpos($input['raw'], '-')) {
-            if (preg_match("#^(\+)?([0-9]{1,3}(\(0\))?)?[0-9\/\-]{5,}[0-9]$#i", $input['raw'])) {
-                return array('types' => array('phone-number', 'prtn', 'whois-registrant-phone'), 'categories' => array('Other'), 'to_ids' => false, 'default_type' => 'phone-number', 'value' => $input['raw']);
-            }
-        }
+	        // Phone numbers - for automatic recognition, needs to start with + or include dashes
+		if (!empty($input['raw'])) {
+	        if ($input['raw'][0] === '+' || strpos($input['raw'], '-')) {
+	            if (preg_match("#^(\+)?([0-9]{1,3}(\(0\))?)?[0-9\/\-]{5,}[0-9]$#i", $input['raw'])) {
+	                return array('types' => array('phone-number', 'prtn', 'whois-registrant-phone'), 'categories' => array('Other'), 'to_ids' => false, 'default_type' => 'phone-number', 'value' => $input['raw']);
+	            }
+	        }
+		}
     }
 
     private function __checkForIP($input)