diff --git a/tests/programs/fib.alpha b/tests/programs/fib.alpha
index bbc20f9..287614b 100644
--- a/tests/programs/fib.alpha
+++ b/tests/programs/fib.alpha
@@ -4,36 +4,20 @@ function entry : string2integer
 function fib : integer2integer
 
 fib(i) := {
-    [ integer: a; integer: b; integer: count ]
-    
-    a := 1;
-    b := 2;
 
-    if (i = 0) then {
+    if (i < 1) then {
         return 0;
     } else {
-        a := a;
+        i := i;
     }
 
-    if (i = 1) then {
-        return 1;
+    if (i < 2) then {
+        return i;
     } else {
-        a := a;
+        i := i;
     }
 
-    if (i = 2) then {
-        return 2;
-    } else {
-        a := a;
-    }
-
-    count := 2;
-    while (count < i) {
-        
-        count := count + 1;
-    }
-
-    return b;
+    return fib(i-1) + fib(i-2);
 }
 
 entry (arg) := {