diff --git a/libraries/Filter/tests/test_modefilter.cpp b/libraries/Filter/tests/test_modefilter.cpp
index 0e746ad93d..bdb5114b9c 100644
--- a/libraries/Filter/tests/test_modefilter.cpp
+++ b/libraries/Filter/tests/test_modefilter.cpp
@@ -90,6 +90,8 @@ TEST(ModeFilterTest, Float_Size5)
     EXPECT_FLOAT_EQ(4, filtf_fail.apply(6));
     EXPECT_FLOAT_EQ(4, filtf_fail.apply(7));
     EXPECT_FLOAT_EQ(5, filtf_fail.apply(8));
+
+    EXPECT_FLOAT_EQ(5, filtf_fail.get());
 }
 
 AP_GTEST_MAIN()