diff --git a/src/lib.rs b/src/lib.rs
index b6e42c4..9523dfb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -687,6 +687,7 @@ impl<T> CtOption<T> {
     ///
     /// Panics if the value is none with a custom panic message provided by
     /// `msg`.
+    #[track_caller]
     pub fn expect(self, msg: &str) -> T {
         assert_eq!(self.is_some.unwrap_u8(), 1, "{}", msg);