diff --git a/testtools/source/bridgetest/bridgetest_client b/testtools/source/bridgetest/bridgetest_client
index 622baab8411b..a828f9d79dd4 100644
--- a/testtools/source/bridgetest/bridgetest_client
+++ b/testtools/source/bridgetest/bridgetest_client
@@ -1 +1,2 @@
-uno -ro uno_services.rdb -ro uno_types.rdb -s com.sun.star.test.bridge.BridgeTest -- -u "uno:socket,host=localhost,port=2002;urp;test"
\ No newline at end of file
+uno -ro uno_services.rdb -ro uno_types.rdb -s com.sun.star.test.bridge.BridgeTest -- -u "uno:socket,host=127.0.0.1,port=2002;urp;test"
+# ...use "127.0.0.1" instead of "localhost", see #i32281#
diff --git a/testtools/source/bridgetest/bridgetest_server b/testtools/source/bridgetest/bridgetest_server
index a17a2f94226b..b2a8b492403f 100644
--- a/testtools/source/bridgetest/bridgetest_server
+++ b/testtools/source/bridgetest/bridgetest_server
@@ -1 +1,2 @@
-uno -ro uno_services.rdb -ro uno_types.rdb -s com.sun.star.test.bridge.CppTestObject -u "uno:socket,host=localhost,port=2002;urp;test"
\ No newline at end of file
+uno -ro uno_services.rdb -ro uno_types.rdb -s com.sun.star.test.bridge.CppTestObject -u "uno:socket,host=127.0.0.1,port=2002;urp;test"
+# ...use "127.0.0.1" instead of "localhost", see #i32281#