diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index f1c0aab4fb..ca4fbfb5b3 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -736,15 +736,15 @@
 
 [BulletSim]
     ; World parameters
-    DefaultFriction = 0.70
+    DefaultFriction = 0.50
     DefaultDensity = 10.000006836
     DefaultRestitution = 0.0
     Gravity = -9.80665
 
-    TerrainFriction = 0.85
+    TerrainFriction = 0.50
     TerrainHitFriction = 0.8
-    TerrainRestitution = 0.2
-    AvatarFriction = 0.85
+    TerrainRestitution = 0
+    AvatarFriction = 0
     AvatarDensity = 60.0
     AvatarCapsuleRadius = 0.37
     AvatarCapsuleHeight = 1.5