diff --git a/internal/spoa.go b/internal/spoa.go
index 906ef47..2e111ed 100644
--- a/internal/spoa.go
+++ b/internal/spoa.go
@@ -96,6 +96,11 @@ func (s *SPOA) processInterruption(it *types.Interruption, code int) []spoe.Acti
 			Scope: spoe.VarScopeTransaction,
 			Value: it.RuleID,
 		},
+		spoe.ActionSetVar{
+			Name:  "fail",
+			Scope: spoe.VarScopeTransaction,
+			Value: code,
+		},
 	}
 }