diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index f5949bf52..38bbd0635 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -2317,8 +2317,8 @@ run_test    "DTLS proxy: 3d, min handshake, client-initiated renegotiation" \
             -s "Extra-header:" \
             -c "HTTP/1.0 200 OK"
 
-needs_more_time 2
-run_test    "DTLS proxy: 3d, max handshake, openssl server" \
+needs_more_time 3
+run_test    "DTLS proxy: 3d, openssl server" \
             -p "$P_PXY drop=5 delay=5 duplicate=5 protect_hvr=1" \
             "$O_SRV -dtls1 -mtu 2048" \
             "$P_CLI dtls=1" \
@@ -2326,6 +2326,33 @@ run_test    "DTLS proxy: 3d, max handshake, openssl server" \
             -s "Extra-header:" \
             -c "HTTP/1.0 200 OK"
 
+needs_more_time 4
+run_test    "DTLS proxy: 3d, openssl server, fragmentation" \
+            -p "$P_PXY drop=5 delay=5 duplicate=5 protect_hvr=1" \
+            "$O_SRV -dtls1 -mtu 768" \
+            "$P_CLI dtls=1" \
+            0 \
+            -s "Extra-header:" \
+            -c "HTTP/1.0 200 OK"
+
+needs_more_time 3
+run_test    "DTLS proxy: 3d, gnutls server" \
+            -p "$P_PXY drop=5 delay=5 duplicate=5" \
+            "$G_SRV -u --mtu 2048 -a" \
+            "$P_CLI dtls=1" \
+            0 \
+            -s "Extra-header:" \
+            -c "Extra-header:"
+
+needs_more_time 4
+run_test    "DTLS proxy: 3d, gnutls server, fragmentation" \
+            -p "$P_PXY drop=5 delay=5 duplicate=5" \
+            "$G_SRV -u --mtu 512" \
+            "$P_CLI dtls=1" \
+            0 \
+            -s "Extra-header:" \
+            -c "Extra-header:"
+
 # Final report
 
 echo "------------------------------------------------------------------------"