core: make use of VALID_CHARS_WITH_AT in unit_name_is_valid()

diff --git a/src/basic/unit-name.c b/src/basic/unit-name.c
index 671e30a53fbc5f02e25c909516b54231cdaa6cb3..0a4843f4582d1dceb89e1e85b1177220c9ae8ec9 100644 (file)
--- a/src/basic/unit-name.c
+++ b/src/basic/unit-name.c
@@ -57,7 +57,7 @@ bool unit_name_is_valid(const char *n, UnitNameFlags flags) {
                 if (*i == '@' && !at)
                         at = i;
 
-                if (!strchr("@" VALID_CHARS, *i))
+                if (!strchr(VALID_CHARS_WITH_AT, *i))
                         return false;
         }