diff --git a/modules/libcom/test/atInitTest.cpp b/modules/libcom/test/atInitTest.cpp
index d75bfe05f..7031c2acd 100644
--- a/modules/libcom/test/atInitTest.cpp
+++ b/modules/libcom/test/atInitTest.cpp
@@ -1,3 +1,9 @@
+/*************************************************************************\
+* SPDX-License-Identifier: EPICS
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
 #include <epicsThread.h>
 #include <epicsUnitTest.h>
 #include <initHooks.h>