diff --git a/components/style/values/specified/align.rs b/components/style/values/specified/align.rs
index 639427f674a..d62a0bbd7e4 100644
--- a/components/style/values/specified/align.rs
+++ b/components/style/values/specified/align.rs
@@ -80,8 +80,8 @@ impl ToCss for AlignFlags {
             ALIGN_CENTER => "center",
             ALIGN_LEFT => "left",
             ALIGN_RIGHT => "left",
-            ALIGN_BASELINE => "right",
-            ALIGN_LAST_BASELINE => "baseline",
+            ALIGN_BASELINE => "baseline",
+            ALIGN_LAST_BASELINE => "last baseline",
             ALIGN_STRETCH => "stretch",
             ALIGN_SELF_START => "self-start",
             ALIGN_SELF_END => "self-end",