diff --git a/tests/compat.sh b/tests/compat.sh
index b4a3638..1d8dfe4 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -1023,7 +1023,7 @@
     M_SERVER_ARGS="server_port=$PORT server_addr=0.0.0.0 force_version=$MODE arc4=1"
     O_SERVER_ARGS="-accept $PORT -cipher ALL,COMPLEMENTOFALL -$O_MODE"
     G_SERVER_ARGS="-p $PORT --http $G_MODE"
-    G_SERVER_PRIO="NORMAL:${G_PRIO_CCM}+ARCFOUR-128:+NULL:+MD5:+PSK:+DHE-PSK:+ECDHE-PSK:+SHA256:+SHA384:+RSA-PSK:-VERS-TLS-ALL:$G_PRIO_MODE"
+    G_SERVER_PRIO="NORMAL:${G_PRIO_CCM}+ARCFOUR-128:+3DES-CBC:+NULL:+MD5:+PSK:+DHE-PSK:+ECDHE-PSK:+SHA256:+SHA384:+RSA-PSK:-VERS-TLS-ALL:$G_PRIO_MODE"
 
     # The default prime for `openssl s_server` depends on the version:
     # * OpenSSL <= 1.0.2a: 512-bit