diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
index b938662..fbbc1cb 100644
--- a/LayoutTests/ChangeLog
+++ b/LayoutTests/ChangeLog
@@ -1,3 +1,9 @@
+2013-03-19  Ryosuke Niwa  <rniwa@webkit.org>
+
+        Mac rebaseline after r146272.
+
+        * platform/mac/css3/flexbox/flexbox-baseline-expected.txt:
+
 2013-03-19  Ojan Vafai  <ojan@chromium.org>
 
         Rebaselines after r146272.
diff --git a/LayoutTests/platform/mac/css3/flexbox/flexbox-baseline-expected.txt b/LayoutTests/platform/mac/css3/flexbox/flexbox-baseline-expected.txt
index cb4a6be..81a16b8 100644
--- a/LayoutTests/platform/mac/css3/flexbox/flexbox-baseline-expected.txt
+++ b/LayoutTests/platform/mac/css3/flexbox/flexbox-baseline-expected.txt
@@ -94,13 +94,13 @@
       RenderText {#text} at (122,23) size 59x18
         text run at (122,23) width 59: " after text"
     RenderBlock {DIV} at (0,410) size 800x45
-      RenderText {#text} at (0,12) size 183x18
-        text run at (0,12) width 183: "should align with the middle "
+      RenderText {#text} at (0,11) size 183x18
+        text run at (0,11) width 183: "should align with the middle "
       RenderFlexibleBox {DIV} at (183,5) size 40x40 [bgcolor=#D3D3D3]
         RenderBlock {DIV} at (0,0) size 40x21 [border: none (1px solid #000000) none]
-        RenderBlock {DIV} at (0,21) size 40x20
-      RenderText {#text} at (223,12) size 124x18
-        text run at (223,12) width 124: " of the grey flexbox"
+        RenderBlock {DIV} at (0,20) size 40x20
+      RenderText {#text} at (223,11) size 124x18
+        text run at (223,11) width 124: " of the grey flexbox"
     RenderBlock {DIV} at (0,455) size 800x39
       RenderText {#text} at (0,21) size 184x18
         text run at (0,21) width 184: "should align with the bottom "