diff --git a/core/host/supervisor.go b/core/host/supervisor.go
index 80f34a2b..e8ea77a6 100644
--- a/core/host/supervisor.go
+++ b/core/host/supervisor.go
@@ -517,7 +517,7 @@ func (su *Supervisor) shutdownOnInterrupt(ctx context.Context) {
 // fileExists tries to report whether a local physical file of "filename" exists.
 func fileExists(filename string) bool {
 	info, err := os.Stat(filename)
-	if os.IsNotExist(err) {
+	if err != nil {
 		return false
 	}