diff --git a/src/translations/tts_cz.cpp b/src/translations/tts_cz.cpp
index 0ecf7144e..0224ec116 100644
--- a/src/translations/tts_cz.cpp
+++ b/src/translations/tts_cz.cpp
@@ -60,7 +60,7 @@ enum CzechPrompts {
   PROMPT_MILLIAMPS = PROMPT_UNITS_BASE+(UNIT_MILLIAMPS*4),
   PROMPT_MAH = PROMPT_UNITS_BASE+(UNIT_MAH*4),
   PROMPT_WATTS = PROMPT_UNITS_BASE+(UNIT_WATTS*4),
-  PROMPT_DB = PROMPT_UNITS_BASE+(UNIT_DB*4),
+  PROMPT_DB = PROMPT_UNITS_BASE+(UNIT_DBM*4),
   PROMPT_FEET = PROMPT_UNITS_BASE+(UNIT_FEET*4),
   PROMPT_KTS = PROMPT_UNITS_BASE+(UNIT_KTS*4),
   PROMPT_HOURS = PROMPT_UNITS_BASE+(UNIT_HOURS*4),