diff --git a/device-types/QNAP/TS-251plus.yml b/device-types/QNAP/TS-251P.yml
similarity index 95%
rename from device-types/QNAP/TS-251plus.yml
rename to device-types/QNAP/TS-251P.yml
index 8e95e749c..f8a7296f7 100644
--- a/device-types/QNAP/TS-251plus.yml
+++ b/device-types/QNAP/TS-251P.yml
@@ -1,7 +1,7 @@
 ---
 manufacturer: QNAP
 model: TS-251+
-slug: qnap-ts-251plus
+slug: qnap-ts-251p
 part_number: TS-251+
 is_full_depth: false
 weight: 1.28