diff --git a/src/core/configuration/DefaultConfig.ts b/src/core/configuration/DefaultConfig.ts
index b2dcd3104..242697881 100644
--- a/src/core/configuration/DefaultConfig.ts
+++ b/src/core/configuration/DefaultConfig.ts
@@ -276,7 +276,7 @@ export class DefaultConfig implements Config {
     return 10000 + 150 * Math.pow(dist, 1.1);
   }
   tradeShipSpawnRate(numberOfPorts: number): number {
-    return Math.round(10 * Math.pow(numberOfPorts, 0.3));
+    return Math.round(10 * Math.pow(numberOfPorts, 0.35));
   }
 
   unitInfo(type: UnitType): UnitInfo {