diff --git a/core/src/mindustry/async/AvoidanceProcess.java b/core/src/mindustry/async/AvoidanceProcess.java
index 08b07d6093..2a5e6728eb 100644
--- a/core/src/mindustry/async/AvoidanceProcess.java
+++ b/core/src/mindustry/async/AvoidanceProcess.java
@@ -92,7 +92,7 @@ public class AvoidanceProcess implements AsyncProcess{
             float rad = Float.intBitsToFloat(items[i + 1]);
             float rad2 = rad * rad;
 
-            int r = Math.max(1, Mathf.ceil(rad));
+            int r = Mathf.clamp(1, Mathf.ceil(rad), 20);
 
             for(int dx = -r; dx <= r; dx++){
                 for(int dy = -r; dy <= r; dy++){