diff --git a/src/shared/install.c b/src/shared/install.c
index 28a801f..a7244f4 100644
--- a/src/shared/install.c
+++ b/src/shared/install.c
@@ -1338,13 +1338,21 @@ static int install_info_symlink_requires(
 
         STRV_FOREACH(s, i->required_by) {
                 char *path;
+                char *instance = NULL;
+                char *prefix   = NULL;
+                char *dst      = NULL;
 
-                if (!unit_name_is_valid(*s, true)) {
+                unit_name_to_instance(i->name, &instance);
+                prefix = unit_name_to_prefix(i->name);
+
+                dst = name_printf(prefix, instance, *s);
+
+                if (!unit_name_is_valid(dst, true)) {
                         r = -EINVAL;
                         continue;
                 }
 
-                if (asprintf(&path, "%s/%s.requires/%s", config_path, *s, i->name) < 0)
+                if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0)
                         return -ENOMEM;
 
                 q = create_symlink(i->path, path, force, changes, n_changes);