diff --git a/daemon/redis.c b/daemon/redis.c
index b10186ff1a..0f8fdbe078 100644
--- a/daemon/redis.c
+++ b/daemon/redis.c
@@ -1025,7 +1025,7 @@ static void json_get_hash_iter(const ng_parser_t *parser, str *key, parser_arg v
 	}
 
 	// XXX convert to proper str ht
-	char *tmp = g_memdup2(key->s, key->len + 1);
+	char *tmp = __g_memdup(key->s, key->len + 1);
 	tmp[key->len] = '\0';
 	// XXX eliminate string dup? eliminate URI decode?
 	if (g_hash_table_insert(arg.ht, tmp, str_uri_decode_len(val.s, val.len)) != TRUE)
diff --git a/lib/str.h b/lib/str.h
index cac4ea5d7a..a8ba82b331 100644
--- a/lib/str.h
+++ b/lib/str.h
@@ -42,11 +42,7 @@ TYPED_GQUEUE(str, str)
 #define STR_GS(s) ((str) { (s)->str, (s)->len })
 #define STR_LEN(s, len) ((str) { (char *) (s), len })
 #define STR_LEN_ASSERT(s, len) ({ assert(sizeof(s) >= len); (str) { (char *) (s), len }; })
-#if GLIB_CHECK_VERSION(2,68,0)
-#define STR_DUP(s) ({ size_t __l = strlen(s); (str) { g_memdup2(s, __l + 1), __l }; })
-#else
-#define STR_DUP(s) ((str) { g_strdup(s), strlen(s) })
-#endif
+#define STR_DUP(s) ({ size_t __l = strlen(s); (str) { __g_memdup(s, __l + 1), __l }; })
 #define STR_CONST_BUF(buf) ((str) { (char *) &buf, sizeof(buf) })