diff --git a/broadlink/__init__.py b/broadlink/__init__.py
index 977c6b56..dbcf5576 100644
--- a/broadlink/__init__.py
+++ b/broadlink/__init__.py
@@ -125,6 +125,7 @@
         0x653A: ("RM4 mini", "Broadlink"),
     },
     rm4pro: {
+        0x520B, ("RM4 pro", "Broadlink"),
         0x5213: ("RM4 pro", "Broadlink"),
         0x6026: ("RM4 pro", "Broadlink"),
         0x6184: ("RM4C pro", "Broadlink"),