diff --git a/radio/src/audio.cpp b/radio/src/audio.cpp
index 4106a4416..5116003b9 100644
--- a/radio/src/audio.cpp
+++ b/radio/src/audio.cpp
@@ -158,6 +158,16 @@ const char * const unitsFilenames[] = {
   "ml",
   "founce",
   "mlpm",
+  "spare1",
+  "spare2",
+  "spare3",
+  "spare4",
+  "spare5",
+  "spare6",
+  "spare7",
+  "spare8",
+  "spare9",
+  "spare10",
   "hour",
   "minute",
   "second",