diff --git a/tests/opt-testcases/sample.sh b/tests/opt-testcases/sample.sh
index a74d597..7c5562f 100644
--- a/tests/opt-testcases/sample.sh
+++ b/tests/opt-testcases/sample.sh
@@ -206,3 +206,27 @@
             -c "Description:.*TLS1.3" \
             -S "error" \
             -C "ERROR"
+
+requires_protocol_version dtls12
+run_test    "Sample: dtls_server, openssl client, DTLS 1.2" \
+            -P 4433 \
+            "$PROGRAMS_DIR/dtls_server" \
+            "$O_CLI -dtls1_2" \
+            0 \
+            -s "[1-9][0-9]* bytes read" \
+            -s "[1-9][0-9]* bytes written" \
+            -c "New, TLSv1.2, Cipher is" \
+            -S "error" \
+            -C "ERROR"
+
+requires_protocol_version dtls12
+run_test    "Sample: dtls_server, gnutls client, DTLS 1.2" \
+            -P 4433 \
+            "$PROGRAMS_DIR/dtls_server" \
+            "$G_CLI -u --priority=NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2 localhost" \
+            0 \
+            -s "[1-9][0-9]* bytes read" \
+            -s "[1-9][0-9]* bytes written" \
+            -c "Description:.*DTLS1.2" \
+            -S "error" \
+            -C "ERROR"
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 1b5931c..b32c63c 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -500,6 +500,7 @@
             requires_config_enabled MBEDTLS_SSL_CLI_C
             requires_certificate_authentication
             ;;
+        *"programs/ssl/dtls_server "*|\
         *"programs/ssl/ssl_fork_server "*|\
         *"programs/ssl/ssl_pthread_server "*|\
         *"programs/ssl/ssl_server "*)
@@ -1277,7 +1278,7 @@
 # check if the given command uses dtls and sets global variable DTLS
 detect_dtls() {
     case "$1" in
-        *dtls=1*|*-dtls*|*-u*) DTLS=1;;
+        *dtls=1*|*-dtls*|*-u*|*/dtls_*) DTLS=1;;
         *) DTLS=0;;
     esac
 }