diff --git a/src/ca/addrList.h b/src/ca/addrList.h
index 379df6e36..ca11e5dea 100644
--- a/src/ca/addrList.h
+++ b/src/ca/addrList.h
@@ -25,5 +25,5 @@ epicsShareFunc void epicsShareAPI removeDuplicatesAddresses
 }
 #endif
 
-#endif // ifndef addrListh
+#endif /* ifndef addrListh */