diff --git a/src/MidTerm1/Ex2.sc b/src/MidTerm1/Ex2.sc
index c4b8232..81784bc 100644
--- a/src/MidTerm1/Ex2.sc
+++ b/src/MidTerm1/Ex2.sc
@@ -25,10 +25,13 @@ def predicates[T](list: List[T])(preds: List[T => Boolean]): List[T] = {
 }
 
 def fixedPoint(f: Int => Int): Int => Int = {
+  @tailrec
   def func(x: Int): Int = {
     val y: Int = f(x)
     if (x == y) y
-    else f(y)
+    else func(y)
   }
   func
 }
+
+fixedPoint(x => x / 2 + 5)(40)
\ No newline at end of file