diff --git a/WHATS_NEW b/WHATS_NEW
index 4ed8edf68..6845e178d 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.01.08 - 
 ================================
+  Add 'already in device cache' debug message.
   Add -a to pvdisplay -C.
   Avoid rmdir opendir error messsages when dir was already removed.
   Tighten signal handlers.
diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
index 246fc310c..cf301212d 100644
--- a/lib/device/dev-cache.c
+++ b/lib/device/dev-cache.c
@@ -186,7 +186,7 @@ static int _add_alias(struct device *dev, const char *path)
 	/* Is name already there? */
 	list_iterate(ah, &dev->aliases) {
 		if (!strcmp(list_item(ah, struct str_list)->str, path)) {
-			stack;
+			log_debug("%s: Already in device cache", path);
 			return 1;
 		}
 	}