diff --git a/parse_duration/src/lib.rs b/parse_duration/src/lib.rs
index 83e5349..e6fc60a 100644
--- a/parse_duration/src/lib.rs
+++ b/parse_duration/src/lib.rs
@@ -100,8 +100,10 @@ mod tests {
             parse,
             Ok(Duration::from_secs(3661)),
             "1h 1m 1s",
+            "1h 1m1s",
             "1hour 1min 1s",
             "1hour 1mins 1s",
+            "1hour1mins 1s",
             "1hour 1minute 1sec",
             "1hour 1minute 1secs",
             "1hour 1minutes 1second",