diff --git a/radio/src/audio.cpp b/radio/src/audio.cpp
index 07ddc1725e0..f25ceb0a766 100644
--- a/radio/src/audio.cpp
+++ b/radio/src/audio.cpp
@@ -167,7 +167,7 @@ const char * const unitsFilenames[] = {
   "ms",
   "us",
   "km",
-  "spare5",
+  "dbm",
   "spare6",
   "spare7",
   "spare8",