diff --git a/acid/compiler/compiler.py b/acid/compiler/compiler.py
index 8b93ba5..8ba8405 100644
--- a/acid/compiler/compiler.py
+++ b/acid/compiler/compiler.py
@@ -53,7 +53,7 @@ def execute_compiled_file(cls, path, prelude=default_env, mute_env=False):
 
 		with open(path, 'rb') as compiled_file:
 			code = marshal.load(compiled_file)
-			exec(code, env)
+			exec(code, znv, env)
 
 			_run_main_function(env)
 
@@ -120,7 +120,7 @@ def load(self, env):
 
 		code = self.compile()
 
-		exec(code, env)
+		exec(code, env, env)
 
 	def execute(self, prelude=default_env, mute_env=False):
 		"""
diff --git a/acid/prelude.py b/acid/prelude.py
index c6a0196..2200a71 100644
--- a/acid/prelude.py
+++ b/acid/prelude.py
@@ -37,4 +37,11 @@
 	'#~': op.delitem,
 	'negate': op.neg,
 	'print': print,
+	'list': lambda *elts: list(elts),
+	'tuple': lambda *elts: tuple(elts),
+	'append': lambda x, xs: [x] + xs,
+	'foldl': lambda f, xs: reduce(f, xs),
+	'map': lambda f, xs: list(map(f, xs)),
+	'filter': lambda f, xs: list(filter(f, xs)),
+	'range': lambda start, end: list(range(start, end))
 }
diff --git a/examples/fibonacci.acid b/examples/fibonacci.acid
new file mode 100644
index 0000000..cf10bcd
--- /dev/null
+++ b/examples/fibonacci.acid
@@ -0,0 +1,16 @@
+/*
+ * Suite de Fibonacci
+ */
+
+// n-ième terme de la suite de Fibonacci
+(define fib (lambda (n)
+  (if (< n 2)
+    n
+    (+ (fib (- n 1)) (fib (- n 2)))
+  )
+))
+
+// Suite de Fibonacci jusqu'au n-ième terme
+(define fibSeq (lambda (n)
+  (map fib (range 0 n))
+))