diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c
index c6d962129b1..7a59702cb27 100644
--- a/src/libsystemd/sd-bus/bus-control.c
+++ b/src/libsystemd/sd-bus/bus-control.c
@@ -1291,10 +1291,8 @@ int bus_add_match_internal_kernel(
                         break;
 
                 case BUS_MATCH_PATH_NAMESPACE:
-                        if (!streq(c->value_str, "/")) {
-                                bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "path-slash-prefix", c->value_str);
-                                using_bloom = true;
-                        }
+                        bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "path-slash-prefix", c->value_str);
+                        using_bloom = true;
                         break;
 
                 case BUS_MATCH_ARG...BUS_MATCH_ARG_LAST: {
diff --git a/src/libsystemd/sd-bus/test-bus-kernel-bloom.c b/src/libsystemd/sd-bus/test-bus-kernel-bloom.c
index 01f784f8c23..90eb1f2a335 100644
--- a/src/libsystemd/sd-bus/test-bus-kernel-bloom.c
+++ b/src/libsystemd/sd-bus/test-bus-kernel-bloom.c
@@ -123,6 +123,7 @@ int main(int argc, char *argv[]) {
         test_one("/foo/bar/waldo", "waldo.com", "Piep", false, "foobar", "path_namespace='/foo'", true);
         test_one("/foo/bar/waldo", "waldo.com", "Piep", false, "foobar", "path_namespace='/'", true);
         test_one("/foo/bar/waldo", "waldo.com", "Piep", false, "foobar", "path_namespace='/quux'", false);
+        test_one("/", "waldo.com", "Piep", false, "foobar", "path_namespace='/'", true);
 
         test_one("/foo/bar/waldo", "waldo.com", "Piep", false, "foobar", "path='/foo/bar/waldo/'", false);
         test_one("/foo/bar/waldo", "waldo.com", "Piep", false, "foobar", "path='/foo/'", false);