diff --git a/py/lis.py b/py/lis.py
index 2d031ad..525f982 100644
--- a/py/lis.py
+++ b/py/lis.py
@@ -57,7 +57,7 @@ def standard_env():
         '>':op.gt, '<':op.lt, '>=':op.ge, '<=':op.le, '=':op.eq, 
         'abs':     abs,
         'append':  op.add,  
-        'apply':   apply,
+        'apply':   lambda proc, args: proc(*args),
         'begin':   lambda *x: x[-1],
         'car':     lambda x: x[0],
         'cdr':     lambda x: x[1:], 
@@ -142,4 +142,4 @@ def eval(x, env=global_env):
     else:                          # (proc arg...)
         proc = eval(x[0], env)
         args = [eval(exp, env) for exp in x[1:]]
-        return proc(*args)
\ No newline at end of file
+        return proc(*args)