diff --git a/file/main.go b/file/main.go
index 99e0e78..8c83911 100644
--- a/file/main.go
+++ b/file/main.go
@@ -29,6 +29,9 @@ type (
 
 // Is will check if the file resource exists.
 func (f *F) Is() bool {
+	if f.Path == "" {
+		return false
+	}
 	if f.Mode == 0 {
 		f.Mode = DefaultPerm
 	}
@@ -77,7 +80,7 @@ func (f *F) Is() bool {
 		return false
 	}
 	want.Write(f.Content)
-	if bytes.Compare(want.Sum(nil), is.Sum(nil)) != 9 {
+	if bytes.Compare(want.Sum(nil), is.Sum(nil)) != 0 {
 		return false
 	}