diff --git a/webapp/models/Chip.php b/webapp/models/Chip.php
index bc5ebfb4..b10e4af6 100644
--- a/webapp/models/Chip.php
+++ b/webapp/models/Chip.php
@@ -106,7 +106,12 @@ class Chip extends BaseModel
                     $heroDb = $hero;
                 }
             });
-            return $heroDb['hero_id'];
+            if($heroDb){
+                return $heroDb['hero_id'];
+            }else{
+                return 0;
+            }
+
         }
         if ($row['chip_type'] == 2){
             $gunDb = array();
@@ -115,7 +120,11 @@ class Chip extends BaseModel
                     $gunDb = $gun;
                 }
             });
-            return $gunDb['gun_id'];
+            if($gunDb){
+                return $gunDb['gun_id'];
+            }else{
+                return 0;
+            }
         }
     }