diff --git a/lib/log/log.c b/lib/log/log.c
index 66ef76c56..d90815bc6 100644
--- a/lib/log/log.c
+++ b/lib/log/log.c
@@ -262,7 +262,7 @@ void print_log(int level, const char *file, int line, int dm_errno,
 		if (_duplicated) {
 			if (dm_hash_lookup(_duplicated, message))
 				level = _LOG_NOTICE;
-			dm_hash_insert(_duplicated, message, (void*)1);
+			(void) dm_hash_insert(_duplicated, message, (void*)1);
 		}
 	}