diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 90e5997..63dc19c 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -310,6 +310,7 @@
 	}
 	mutex_unlock(&ls->ls_cb_mutex);
 
-	log_debug(ls, "dlm_callback_resume %d", count);
+	if (count)
+		log_debug(ls, "dlm_callback_resume %d", count);
 }