diff --git a/readjson.go b/readjson.go
index a2a9df1..37a949d 100644
--- a/readjson.go
+++ b/readjson.go
@@ -91,7 +91,7 @@ func readData(device string) (gjson.Result, error) {
 			}
 			return gjson.Parse("{}"), fmt.Errorf("smartctl returned bad data for device %s", device)
 		}
-		return gjson.Parse("{}"), fmt.Errorf("Too early collect called for device %s", device)
+		return cacheValue.JSON, nil
 	}
 	return gjson.Parse("{}"), fmt.Errorf("Device %s unavialable", device)
 }
diff --git a/smartctl_exporter.yaml b/smartctl_exporter.yaml
old mode 100755
new mode 100644