diff --git a/direct/src/controls/NonPhysicsWalker.py b/direct/src/controls/NonPhysicsWalker.py
index a319291de4..3670fbaa8a 100755
--- a/direct/src/controls/NonPhysicsWalker.py
+++ b/direct/src/controls/NonPhysicsWalker.py
@@ -255,7 +255,12 @@ class NonPhysicsWalker(DirectObject.DirectObject):
 
         self.__oldPosDelta = self.avatarNodePath.getPosDelta(render)
         self.__oldDt = dt
-        self.worldVelocity = self.__oldPosDelta*(1/self.__oldDt)
+
+        try:
+            self.worldVelocity = self.__oldPosDelta*(1/self.__oldDt)
+        except:
+            # divide by zero
+            self.worldVelocity = 0
 
         return Task.cont