diff --git a/TESTS/netsocket/dns/main.cpp b/TESTS/netsocket/dns/main.cpp
index 7293cc376c..fd114d1446 100644
--- a/TESTS/netsocket/dns/main.cpp
+++ b/TESTS/netsocket/dns/main.cpp
@@ -204,7 +204,9 @@ Case cases[] = {
     Case("ASYNCHRONOUS_DNS", ASYNCHRONOUS_DNS),
     Case("ASYNCHRONOUS_DNS_SIMULTANEOUS", ASYNCHRONOUS_DNS_SIMULTANEOUS),
     Case("ASYNCHRONOUS_DNS_SIMULTANEOUS_CACHE", ASYNCHRONOUS_DNS_SIMULTANEOUS_CACHE),
+#if NSAPI_PPP_AVAILABLE
     Case("SYNCHRONOUS_DNS_CACHE", SYNCHRONOUS_DNS_CACHE),
+#endif
 #ifndef MBED_CONF_CELLULAR_OFFLOAD_DNS_QUERIES
     Case("ASYNCHRONOUS_DNS_CACHE", ASYNCHRONOUS_DNS_CACHE),
 #endif