diff --git a/test/unit-tests/tests/unit-tests_MidiThru.cpp b/test/unit-tests/tests/unit-tests_MidiThru.cpp
index a04ea03..31c9bd6 100644
--- a/test/unit-tests/tests/unit-tests_MidiThru.cpp
+++ b/test/unit-tests/tests/unit-tests_MidiThru.cpp
@@ -77,6 +77,9 @@ TEST(MidiThru, setGet)
     midi.setThruFilterMode(midi::DifferentChannel);
     EXPECT_EQ(midi.getThruState(),  true);
     EXPECT_EQ(midi.getFilterMode(), midi::DifferentChannel);
+    midi.setThruFilterMode(midi::Off);
+    EXPECT_EQ(midi.getThruState(),  false);
+    EXPECT_EQ(midi.getFilterMode(), midi::Off);
 }
 
 END_UNNAMED_NAMESPACE