diff --git a/tests/osem.cpp b/tests/osem.cpp
index 83eaae0..3b5b22c 100644
--- a/tests/osem.cpp
+++ b/tests/osem.cpp
@@ -50,7 +50,7 @@ class EncodeOSEM : public ::testing::Test
 	}
 	void TearDown() override
 	{
-		setTransmitterID(0xFFFF);
+		setTransmitterID(0xFFFFFFFF);
 	}
 	
 	ObjectSettingsType settings;