diff --git a/src/log.c b/src/log.c
index 385bfc71e..f2480b436 100644
--- a/src/log.c
+++ b/src/log.c
@@ -683,6 +683,7 @@ int parse_logformat_string(const char *fmt, struct proxy *curproxy, struct list
 					memprintf(err, "expected ']' after '%s', but found '%c'", var, c);
 				else
 					memprintf(err, "missing ']' after '%s'", var);
+				goto fail;
 			}
 			break;