diff --git a/engine/types.go b/engine/types.go
index 3de3bc8..5eafdde 100644
--- a/engine/types.go
+++ b/engine/types.go
@@ -194,7 +194,7 @@ func DefaultConfig() Config {
 		ZoneStartTurn:      50,
 		ZoneShrinkInterval: 5,
 		ZoneShrinkStep:     2,
-		ZoneMinRadius:      10,
+		ZoneMinRadius:      3,
 	}
 }