diff --git a/src/errors.h b/src/errors.h
index 7524b80..3a76d9e 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -490,3 +490,5 @@
 	INIT(= N_("E1203: Dot can only be used on a dictionary: %s"));
 EXTERN char e_regexp_number_after_dot_pos_search[]
 	INIT(= N_("E1204: No Number allowed after .: '\\%%%c'"));
+EXTERN char e_no_white_space_allowed_between_option_and[]
+	INIT(= N_("E1205: No white space allowed between option and"));