diff --git a/mozilla/layout/generic/nsLineLayout.cpp b/mozilla/layout/generic/nsLineLayout.cpp
index 3a3289ca32d..7ad7f912c27 100644
--- a/mozilla/layout/generic/nsLineLayout.cpp
+++ b/mozilla/layout/generic/nsLineLayout.cpp
@@ -2203,7 +2203,7 @@ nsLineLayout::HorizontalAlignFrames(nsRect& aLineBounds, PRBool aAllowJustify)
         pfd->mFrame->SetRect(pfd->mBounds);
         pfd = pfd->mNext;
       }
-//      aLineBounds.width += dx;
+      aLineBounds.width += dx;
     }
 
     if ((NS_STYLE_DIRECTION_RTL == psd->mDirection) &&
diff --git a/mozilla/layout/html/base/src/nsLineLayout.cpp b/mozilla/layout/html/base/src/nsLineLayout.cpp
index 3a3289ca32d..7ad7f912c27 100644
--- a/mozilla/layout/html/base/src/nsLineLayout.cpp
+++ b/mozilla/layout/html/base/src/nsLineLayout.cpp
@@ -2203,7 +2203,7 @@ nsLineLayout::HorizontalAlignFrames(nsRect& aLineBounds, PRBool aAllowJustify)
         pfd->mFrame->SetRect(pfd->mBounds);
         pfd = pfd->mNext;
       }
-//      aLineBounds.width += dx;
+      aLineBounds.width += dx;
     }
 
     if ((NS_STYLE_DIRECTION_RTL == psd->mDirection) &&