diff --git a/examples/SharedMemory/PhysicsClientC_API.cpp b/examples/SharedMemory/PhysicsClientC_API.cpp
index 2c47be584..b629ffe5e 100644
--- a/examples/SharedMemory/PhysicsClientC_API.cpp
+++ b/examples/SharedMemory/PhysicsClientC_API.cpp
@@ -3171,6 +3171,7 @@ B3_SHARED_API int b3ChangeDynamicsInfoSetLinearDamping(b3SharedMemoryCommandHand
 	struct SharedMemoryCommand* command = (struct SharedMemoryCommand*)commandHandle;
 	b3Assert(command->m_type == CMD_CHANGE_DYNAMICS_INFO);
 	command->m_changeDynamicsInfoArgs.m_bodyUniqueId = bodyUniqueId;
+	command->m_changeDynamicsInfoArgs.m_linkIndex = -1;
 	command->m_changeDynamicsInfoArgs.m_linearDamping = linearDamping;
 	command->m_updateFlags |= CHANGE_DYNAMICS_INFO_SET_LINEAR_DAMPING;
 	return 0;
@@ -3181,6 +3182,7 @@ B3_SHARED_API int b3ChangeDynamicsInfoSetAngularDamping(b3SharedMemoryCommandHan
 	struct SharedMemoryCommand* command = (struct SharedMemoryCommand*)commandHandle;
 	b3Assert(command->m_type == CMD_CHANGE_DYNAMICS_INFO);
 	command->m_changeDynamicsInfoArgs.m_bodyUniqueId = bodyUniqueId;
+	command->m_changeDynamicsInfoArgs.m_linkIndex = -1;
 	command->m_changeDynamicsInfoArgs.m_angularDamping = angularDamping;
 	command->m_updateFlags |= CHANGE_DYNAMICS_INFO_SET_ANGULAR_DAMPING;
 	return 0;