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-rw-r--r--src/libsystemd-bus/bus-objects.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsystemd-bus/bus-objects.c b/src/libsystemd-bus/bus-objects.c
index aa0be37a9d..5867907a62 100644
--- a/src/libsystemd-bus/bus-objects.c
+++ b/src/libsystemd-bus/bus-objects.c
@@ -1619,7 +1619,7 @@ static int add_object_vtable_internal(
case _SD_BUS_VTABLE_SIGNAL:
if (!member_name_is_valid(v->x.signal.member) ||
- !signature_is_single(strempty(v->x.signal.signature), false)) {
+ !signature_is_valid(strempty(v->x.signal.signature), false)) {
r = -EINVAL;
goto fail;
}