diff --git a/mozilla/camino/src/browser/BrowserWindowController.mm b/mozilla/camino/src/browser/BrowserWindowController.mm
index 3a65ca990a9..05ce4c2a36e 100644
--- a/mozilla/camino/src/browser/BrowserWindowController.mm
+++ b/mozilla/camino/src/browser/BrowserWindowController.mm
@@ -2467,6 +2467,8 @@ enum BWCOpenDest {
     // open a new window and hide the toolbars for prettyness
     BrowserWindowController* controller = [[BrowserWindowController alloc] initWithWindowNibName:@"BrowserWindow"];
     [controller setChromeMask:kNoToolbarsChromeMask];
+    [controller disableAutosave]; // don't save view-source window size/position
+
     if (loadInBackground)
       [[controller window] orderWindow:NSWindowBelow relativeTo:[[self window] windowNumber]];
     else