diff --git a/source/isaaclab/isaaclab/managers/event_manager.py b/source/isaaclab/isaaclab/managers/event_manager.py
index a23cec17863..1ee9d450fbd 100644
--- a/source/isaaclab/isaaclab/managers/event_manager.py
+++ b/source/isaaclab/isaaclab/managers/event_manager.py
@@ -387,6 +387,7 @@ def _prepare_terms(self):
 
             # check if the term is a class
             if inspect.isclass(term_cfg.func):
+                term_cfg.func = term_cfg.func(cfg=term_cfg, env=self._env)
                 self._mode_class_term_cfgs[term_cfg.mode].append(term_cfg)
 
             # resolve the mode of the events