diff --git a/src/core/Failure.pm b/src/core/Failure.pm
index 253b2c812cc..e54ae385d9d 100644
--- a/src/core/Failure.pm
+++ b/src/core/Failure.pm
@@ -1,7 +1,7 @@
 $PROCESS::FATAL = False;
 
 my class Failure {
-    has $!exception;
+    has $.exception;
     has $!handled;
 
     method new($ex) {