diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index b90952f528b1cdf7414e49b5613e439d6b89fb7a..ab3c8cb8e52d2ffaaffd9940f578a2b2d2790dca 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -615,6 +615,7 @@ static int ovl_parse_opt(char *opt, struct ovl_config *config)
 			break;
 
 		default:
+			pr_err("overlayfs: unrecognized mount option \"%s\" or missing value\n", p);
 			return -EINVAL;
 		}
 	}