diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 1434156..6ec0e13 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -5011,6 +5011,14 @@
             -s "The operation timed out" \
             -S "Client initiated reconnection from same port"
 
+run_test    "DTLS client reconnect from same port: attacker-injected" \
+            -p "$P_PXY inject_clihlo=1" \
+            "$P_SRV dtls=1 exchanges=2 debug_level=1" \
+            "$P_CLI dtls=1 exchanges=2" \
+            0 \
+            -s "possible client reconnect from the same port" \
+            -S "Client initiated reconnection from same port"
+
 # Tests for various cases of client authentication with DTLS
 # (focused on handshake flows and message parsing)