diff --git a/direct/src/controls/PhysicsWalker.py b/direct/src/controls/PhysicsWalker.py
index 416ef2752c..bd598a9c01 100755
--- a/direct/src/controls/PhysicsWalker.py
+++ b/direct/src/controls/PhysicsWalker.py
@@ -251,7 +251,7 @@ class PhysicsWalker(DirectObject.DirectObject):
         self.phys.addLinearForce(self.avatarViscosity)
 
         self.phys.attachLinearIntegrator(LinearEulerIntegrator())
-        self.phys.attachPhysicalnode(physicsActor.node())
+        self.phys.attachPhysicalNode(physicsActor.node())
 
         self.acForce=LinearVectorForce(0.0, 0.0, 0.0)
         fn=ForceNode("avatarControls")
diff --git a/direct/src/controls/ShipPilot.py b/direct/src/controls/ShipPilot.py
index b0e6e9d2c7..7df27acab1 100755
--- a/direct/src/controls/ShipPilot.py
+++ b/direct/src/controls/ShipPilot.py
@@ -324,7 +324,7 @@ class ShipPilot(PhysicsWalker):
 
         self.phys.attachLinearIntegrator(LinearEulerIntegrator())
         self.phys.attachAngularIntegrator(AngularEulerIntegrator())
-        self.phys.attachPhysicalnode(physicsActor.node())
+        self.phys.attachPhysicalNode(physicsActor.node())
 
         if 0:
             self.momentumForce=LinearVectorForce(0.0, 0.0, 0.0)
diff --git a/direct/src/physics/FallTest.py b/direct/src/physics/FallTest.py
index dfc547a20d..02e3632b3c 100644
--- a/direct/src/physics/FallTest.py
+++ b/direct/src/physics/FallTest.py
@@ -50,8 +50,8 @@ class FallTest(NodePath):
             self.phys.attachLinearIntegrator(LinearEulerIntegrator())
         if 0:
             self.phys.attachAngularIntegrator(AngularEulerIntegrator())
-        #self.phys.attachPhysicalnode(self.node())
-        self.phys.attachPhysicalnode(self.actorNode)
+        #self.phys.attachPhysicalNode(self.node())
+        self.phys.attachPhysicalNode(self.actorNode)
 
         if 0:
             self.momentumForce=LinearVectorForce(0.0, 0.0, 0.0)
diff --git a/direct/src/physics/RotationTest.py b/direct/src/physics/RotationTest.py
index d5610d2498..b3f7360a76 100644
--- a/direct/src/physics/RotationTest.py
+++ b/direct/src/physics/RotationTest.py
@@ -60,8 +60,8 @@ class RotationTest(NodePath):
             self.phys.attachLinearIntegrator(LinearEulerIntegrator())
         if 0:
             self.phys.attachAngularIntegrator(AngularEulerIntegrator())
-        #self.phys.attachPhysicalnode(self.node())
-        self.phys.attachPhysicalnode(self.actorNode)
+        #self.phys.attachPhysicalNode(self.node())
+        self.phys.attachPhysicalNode(self.actorNode)
 
         if 0:
             self.momentumForce=LinearVectorForce(0.0, 0.0, 0.0)