diff --git a/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py b/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
index 86b54dd3e8e5e..2a2d174afeebd 100644
--- a/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
+++ b/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
@@ -105,18 +105,19 @@ def check_simulator_ostype(self, sdk, platform, arch='x86_64'):
     @skipIfRemote
     def test_simulator_ostype_ios(self):
         self.check_simulator_ostype(sdk='iphonesimulator',
-                                    platform='ios')
+                                    platform='iossimulator')
 
     @apple_simulator_test('appletv')
     @debugserver_test
     @skipIfRemote
     def test_simulator_ostype_tvos(self):
         self.check_simulator_ostype(sdk='appletvsimulator',
-                                    platform='tvos')
+                                    platform='tvossimulator')
 
     @apple_simulator_test('watch')
     @debugserver_test
     @skipIfRemote
     def test_simulator_ostype_watchos(self):
         self.check_simulator_ostype(sdk='watchsimulator',
-                                    platform='watchos', arch='i386')
+                                    platform='watchossimulator',
+                                    arch='i386')