diff --git a/test.cval b/test.cval
index 91fae59..1e112b1 100644
--- a/test.cval
+++ b/test.cval
@@ -4,7 +4,9 @@ val [int->int] fib (int n) {
     return if eq n 0 {
         1
     } else {
-        mul n fib 
+        mul n {
+            fib {sub n 1}
+        }
     };
 };
 
@@ -24,4 +26,4 @@ val [char * int->char]get_char_of(char* s int index) {
     return * {
         add s index
     };
-}
\ No newline at end of file
+};
\ No newline at end of file