diff --git a/src/historian.rs b/src/historian.rs
index 24bd545c2..88a7d8734 100644
--- a/src/historian.rs
+++ b/src/historian.rs
@@ -122,7 +122,7 @@ mod tests {
             ExitReason::RecvDisconnected
         );
 
-        verify_slice(&[entry0, entry1], 0);
+        assert!(verify_slice(&[entry0, entry1], 0));
     }
 
     #[test]