diff --git a/tests/compat.sh b/tests/compat.sh
index eac189110..3b19e8575 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -749,7 +749,7 @@ setup_arguments()
     esac
 
     P_SERVER_ARGS="server_port=$PORT server_addr=0.0.0.0 force_version=$MODE arc4=1"
-    O_SERVER_ARGS="-accept $PORT -cipher NULL,ALL -$MODE"
+    O_SERVER_ARGS="-accept $PORT -cipher NULL,ALL -$MODE -dhparam data_files/dhparams.pem"
     G_SERVER_ARGS="-p $PORT --http $G_MODE"
     G_SERVER_PRIO="NORMAL:+ARCFOUR-128:+NULL:+MD5:+PSK:+DHE-PSK:+ECDHE-PSK:+RSA-PSK:-VERS-TLS-ALL:$G_PRIO_MODE"
 
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 934f77214..6b0df5653 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -517,7 +517,7 @@ unset PORT_BASE
 P_SRV="$P_SRV server_addr=127.0.0.1 server_port=$SRV_PORT"
 P_CLI="$P_CLI server_addr=127.0.0.1 server_port=+SRV_PORT"
 P_PXY="$P_PXY server_addr=127.0.0.1 server_port=$SRV_PORT listen_addr=127.0.0.1 listen_port=$PXY_PORT"
-O_SRV="$O_SRV -accept $SRV_PORT"
+O_SRV="$O_SRV -accept $SRV_PORT -dhparam data_files/dhparams.pem"
 O_CLI="$O_CLI -connect localhost:+SRV_PORT"
 G_SRV="$G_SRV -p $SRV_PORT"
 G_CLI="$G_CLI -p +SRV_PORT localhost"