diff --git a/examples/dtls-echo/dtls-client.c b/examples/dtls-echo/dtls-client.c
index e1ef30516b..e9668b9020 100644
--- a/examples/dtls-echo/dtls-client.c
+++ b/examples/dtls-echo/dtls-client.c
@@ -131,7 +131,7 @@ static int dtls_handle_read(dtls_context_t *ctx)
 
     memcpy(&session.addr, &remote.addr.ipv6, sizeof(session.addr));
 
-    if (ENABLE_DEBUG) {
+    if (IS_ACTIVE(ENABLE_DEBUG)) {
         DEBUG("DBG-Client: Msg received from \n\t Addr Src: [");
         ipv6_addr_print(&session.addr);
         DEBUG("]:%u\n", remote.port);