diff --git a/tests/net/gnrc_sock_udp/Makefile b/tests/net/gnrc_sock_udp/Makefile
index 0af901c04994..421326bd9747 100644
--- a/tests/net/gnrc_sock_udp/Makefile
+++ b/tests/net/gnrc_sock_udp/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.net_common
 AUX_LOCAL ?= 1
 AUX_TIMESTAMP ?= 1
 AUX_RSSI ?= 1
+AUX_TTL ?= 1
 
 ifeq (1, $(AUX_LOCAL))
   USEMODULE += sock_aux_local
@@ -16,6 +17,10 @@ ifeq (1, $(AUX_RSSI))
   USEMODULE += sock_aux_rssi
 endif
 
+ifeq (1, $(AUX_TTL))
+  USEMODULE += sock_aux_ttl
+endif
+
 USEMODULE += gnrc_sock_check_reuse
 USEMODULE += sock_udp
 USEMODULE += gnrc_ipv6
diff --git a/tests/net/gnrc_sock_udp/main.c b/tests/net/gnrc_sock_udp/main.c
index 48a349a7fb1c..bddfc6033675 100644
--- a/tests/net/gnrc_sock_udp/main.c
+++ b/tests/net/gnrc_sock_udp/main.c
@@ -451,7 +451,7 @@ static void test_sock_udp_recv__aux(void)
     static const inject_aux_t inject_aux = { .timestamp = 1337, .rssi = -11 };
     sock_udp_ep_t result;
     sock_udp_aux_rx_t aux = {
-        .flags = SOCK_AUX_GET_LOCAL | SOCK_AUX_GET_TIMESTAMP | SOCK_AUX_GET_RSSI
+        .flags = SOCK_AUX_GET_LOCAL | SOCK_AUX_GET_TIMESTAMP | SOCK_AUX_GET_RSSI | SOCK_AUX_GET_TTL
     };
 
     expect(0 == sock_udp_create(&_sock, &local, NULL, SOCK_FLAGS_REUSE_EP));
@@ -483,6 +483,12 @@ static void test_sock_udp_recv__aux(void)
     expect(inject_aux.rssi == aux.rssi);
 #else
     expect(aux.flags & SOCK_AUX_GET_RSSI);
+#endif
+#if IS_USED(MODULE_SOCK_AUX_TTL)
+    expect(!(aux.flags & SOCK_AUX_GET_TTL));
+    expect(64 == aux.ttl);
+#else
+    expect(aux.flags & SOCK_AUX_GET_TTL);
 #endif
     expect(_check_net());
 }