use `call_sync

1 files changed, 1 insertions, 1 deletions

diff --git a/fib.kpl b/fib.kpl
index a907739..e8ebeb8 100644
--- a/fib.kpl
+++ b/fib.kpl
@@ -5,6 +5,6 @@ fib : Fn[n] $ (
     ? {
         n <= 0 { 0 }
         n < 3 { 2 }
-        { `sync(fib; n - 1) + fib `sync n - 2 }
+        { `call_sync(fib; n - 1) + fib `call_sync n - 2 }
     }
 )