diff --git a/apps/s_server.c b/apps/s_server.c
index 12792e9643..5858278b46 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -138,9 +138,14 @@ static const char *session_id_prefix = NULL;
 #ifndef OPENSSL_NO_DTLS
 static int enable_timeouts = 0;
 static long socket_mtu;
-static int dtlslisten = 0;
 #endif
 
+/*
+ * We define this but make it always be 0 in no-dtls builds to simplify the
+ * code.
+ */
+static int dtlslisten = 0;
+
 static int early_data = 0;
 
 #ifndef OPENSSL_NO_PSK