diff --git a/bin/tests/system/addzone/tests.sh b/bin/tests/system/addzone/tests.sh
index 66c76bca18..ed897b9ba7 100755
--- a/bin/tests/system/addzone/tests.sh
+++ b/bin/tests/system/addzone/tests.sh
@@ -69,19 +69,19 @@ if [ $ret != 0 ]; then echo_i "failed"; fi
 status=$((status + ret))
 
 nextpart ns2/named.run >/dev/null
-echo_i "checking addzone errors are logged correctly"
+echo_i "checking addzone errors are logged correctly ($n)"
 ret=0
 $RNDCCMD 10.53.0.2 addzone bad.example '{ type mister; };' 2>&1 | grep 'unexpected token' >/dev/null 2>&1 || ret=1
-wait_for_log_peek 20 "addzone: 'mister' unexpected" ns2/named.run || ret=1
+wait_for_log_peek 20 "addzone:1: 'mister' unexpected" ns2/named.run || ret=1
 n=$((n + 1))
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=$((status + ret))
 
 nextpart ns2/named.run >/dev/null
-echo_i "checking modzone errors are logged correctly"
+echo_i "checking modzone errors are logged correctly ($n)"
 ret=0
 $RNDCCMD 10.53.0.2 modzone added.example '{ type mister; };' 2>&1 | grep 'unexpected token' >/dev/null 2>&1 || ret=1
-wait_for_log_peek 20 "modzone: 'mister' unexpected" ns2/named.run || ret=1
+wait_for_log_peek 20 "modzone:1: 'mister' unexpected" ns2/named.run || ret=1
 n=$((n + 1))
 if [ $ret != 0 ]; then echo_i "failed"; fi
 status=$((status + ret))
diff --git a/lib/isccfg/parser.c b/lib/isccfg/parser.c
index 9582da2e0e..f0af06a8bb 100644
--- a/lib/isccfg/parser.c
+++ b/lib/isccfg/parser.c
@@ -3648,8 +3648,10 @@ parser_complain(cfg_parser_t *pctx, bool is_warning, unsigned int flags,
 	if (file != NULL) {
 		snprintf(where, sizeof(where),
 			 "%s:%u: ", cfg_obj_asstring(file), pctx->line);
-	} else if (pctx->buf_name != NULL) {
-		snprintf(where, sizeof(where), "%s: ", pctx->buf_name);
+	} else {
+		snprintf(where, sizeof(where), "%s:%u: ",
+			 pctx->buf_name == NULL ? "none" : pctx->buf_name,
+			 pctx->line);
 	}
 
 	len = vsnprintf(message, sizeof(message), format, args);
@@ -3717,7 +3719,7 @@ cfg_obj_log(const cfg_obj_t *obj, int level, const char *fmt, ...) {
 		isc_log_write(CAT, MOD, level, "%s:%u: %s",
 			      cfg_obj_asstring(obj->file), obj->line, msgbuf);
 	} else {
-		isc_log_write(CAT, MOD, level, "%s", msgbuf);
+		isc_log_write(CAT, MOD, level, "%u: %s", obj->line, msgbuf);
 	}
 }