diff --git a/src/win/languages/dialogs.rc b/src/win/languages/dialogs.rc
index d32192397..0f74ef10b 100644
--- a/src/win/languages/dialogs.rc
+++ b/src/win/languages/dialogs.rc
@@ -1009,6 +1009,7 @@ END
 #undef STR_BUS
 #undef STR_CHANNEL
 #undef STR_ID
+#undef STR_SPEED
 
 #undef STR_SPECIFY
 #undef STR_SECTORS