diff --git a/layout/base/nsPresContext.cpp b/layout/base/nsPresContext.cpp
index a34f55132fd..57fcfb1d2a5 100644
--- a/layout/base/nsPresContext.cpp
+++ b/layout/base/nsPresContext.cpp
@@ -188,8 +188,8 @@ static NS_DEFINE_CID(kLookAndFeelCID,  NS_LOOKANDFEEL_CID);
   // bother initializing members to 0.
 
 nsPresContext::nsPresContext(nsIDocument* aDocument, nsPresContextType aType)
-  : mType(aType), mDocument(aDocument), mTextZoom(1.0), mFullZoom(1.0),
-    mPageSize(-1, -1), mPPScale(1.0f), mMinFontSize(0),
+  : mType(aType), mDocument(aDocument), mMinFontSize(0),
+    mTextZoom(1.0), mFullZoom(1.0), mPageSize(-1, -1), mPPScale(1.0f),
     mViewportStyleOverflow(NS_STYLE_OVERFLOW_AUTO, NS_STYLE_OVERFLOW_AUTO),
     mImageAnimationModePref(imgIContainer::kNormalAnimMode),
     // Font sizes default to zero; they will be set in GetFontPreferences