diff --git a/icu4c/source/test/cintltst/cucdtst.c b/icu4c/source/test/cintltst/cucdtst.c
index d17e538120..f0aa0ab8ea 100644
--- a/icu4c/source/test/cintltst/cucdtst.c
+++ b/icu4c/source/test/cintltst/cucdtst.c
@@ -1681,7 +1681,7 @@ TestCharNames() {
                 uset_add,
                 uset_addRange,
                 uset_addString,
-                NULL // don't need remove()
+                NULL /* don't need remove() */
             };
             sa.set=set;
             uprv_getCharNameCharacters(&sa);