diff --git a/device-types/Cisco/ISR2921.yaml b/device-types/Cisco/ISR2921.yaml
index 1d8e7a0ded..73bf395b56 100644
--- a/device-types/Cisco/ISR2921.yaml
+++ b/device-types/Cisco/ISR2921.yaml
@@ -1,7 +1,7 @@
 ---
 manufacturer: Cisco
 model: ISR2921
-part_number: ISR2921/K9
+part_number: CISCO2921/K9
 slug: cisco-isr2921
 u_height: 2
 is_full_depth: true