diff --git a/src/errors.h b/src/errors.h
index 31f275d..8d8a2ca 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -850,3 +850,5 @@
 	INIT(= N_("E1252: String, List or Blob required for argument %d"));
 EXTERN char e_string_expected_for_argument_nr[]
 	INIT(= N_("E1253: String expected for argument %d"));
+EXTERN char e_cannot_use_script_variable_in_for_loop[]
+	INIT(= N_("E1254: Cannot use script variable in for loop"));