diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/moving/SurvivalFly.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/moving/SurvivalFly.java
index 7ca725eb..7e7cbc3f 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/moving/SurvivalFly.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/moving/SurvivalFly.java
@@ -298,7 +298,7 @@ public class SurvivalFly extends Check {
             	else if (!data.sfDirty){
             		// Violation (Too high jumping or step).
             		tags.add("maxphase");
-            		vDistanceAboveLimit = Math.max(vDistanceAboveLimit, 1.0);
+            		vDistanceAboveLimit = Math.max(vDistanceAboveLimit, Math.max(yDistance, 0.5));
             	}
             }