diff --git a/database/seeds/HaulingConfigSeeder.php b/database/seeds/HaulingConfigSeeder.php
index 6113a21..07d7826 100644
--- a/database/seeds/HaulingConfigSeeder.php
+++ b/database/seeds/HaulingConfigSeeder.php
@@ -14,26 +14,33 @@ class HaulingConfigSeeder extends Seeder
     public function run()
     {
         printf("Adding hauling configuration.\r\n");
-        HaulingConfig::insert([
-            'load_size' => 'small',
-            'min_load_size' => 0,
-            'max_load_size' => 8000,
-            'price_per_jump' => 600000.00,
-        ]);
 
-        HaulingConfig::insert([
-            'load_size' => 'medium',
-            'min_load_size' => 8000,
-            'max_load_size' => 57500,
-            'price_per_jump' => 800000.00,
-        ]);
+        if(HaulingConfig::where(['load_size' => 'small'])->count() == 0) {
+            HaulingConfig::insert([
+                'load_size' => 'small',
+                'min_load_size' => 0,
+                'max_load_size' => 8000,
+                'price_per_jump' => 600000.00,
+            ]);
+        }
+        
+        if(HaulingConfig::where(['load_size' => 'medium'])->count() == 0) {
+            HaulingConfig::insert([
+                'load_size' => 'medium',
+                'min_load_size' => 8000,
+                'max_load_size' => 57500,
+                'price_per_jump' => 800000.00,
+            ]);
+        }
 
-        HaulingConfig::insert([
-            'load_size' => 'large',
-            'min_load_size' => 57500,
-            'max_load_size' => 800000,
-            'price_per_jump' => 1000000.00,
-        ]);
+        if(HaulingConfig::where(['load_size' => 'large'])->count == 0) {
+            HaulingConfig::insert([
+                'load_size' => 'large',
+                'min_load_size' => 57500,
+                'max_load_size' => 800000,
+                'price_per_jump' => 1000000.00,
+            ]);
+        }
 
         printf("Finished adding hauling configuration.\r\n");
     }