diff --git a/src/errors.h b/src/errors.h
index 03b3c08..2299f2c 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -3652,3 +3652,5 @@
 	INIT(= N_("E1512: Wrong character width for field \"%s\""));
 EXTERN char e_winfixbuf_cannot_go_to_buffer[]
 	INIT(= N_("E1513: Cannot switch buffer. 'winfixbuf' is enabled"));
+EXTERN char e_invalid_return_type_from_findexpr[]
+	INIT(= N_("E1514: findexpr did not return a List type"));