diff --git a/extensions/firefox/components/PdfStreamConverter.js b/extensions/firefox/components/PdfStreamConverter.js
index a0057ebb6..d371e50cd 100644
--- a/extensions/firefox/components/PdfStreamConverter.js
+++ b/extensions/firefox/components/PdfStreamConverter.js
@@ -132,16 +132,13 @@ ChromeActions.prototype = {
     var originalUrl = data.originalUrl;
     // The data may not be downloaded so we need just retry getting the pdf with
     // the original url.
-    var blobUrl = data.blobUrl || originalUrl;
-    var originalUri = NetUtil.newURI(originalUrl);
-    var blobUri = NetUtil.newURI(blobUrl);
+    var originalUri = NetUtil.newURI(data.originalUrl);
+    var blobUri = data.blobUrl ? NetUtil.newURI(data.blobUrl) : originalUri;
     var extHelperAppSvc =
           Cc['@mozilla.org/uriloader/external-helper-app-service;1'].
              getService(Ci.nsIExternalHelperAppService);
     var frontWindow = Cc['@mozilla.org/embedcomp/window-watcher;1'].
                          getService(Ci.nsIWindowWatcher).activeWindow;
-    var ioService = Services.io;
-    var channel = ioService.newChannel(originalUrl, null, null);
 
     NetUtil.asyncFetch(blobUri, function(aInputStream, aResult) {
       if (!Components.isSuccessCode(aResult)) {
diff --git a/l10n/en-US/chrome.properties b/l10n/en-US/chrome.properties
index 1885e6036..2b3dce42f 100644
--- a/l10n/en-US/chrome.properties
+++ b/l10n/en-US/chrome.properties
@@ -1,3 +1,4 @@
 # Chrome notification bar messages and buttons
 unsupported_feature=This PDF document might not be displayed correctly.
 open_with_different_viewer=Open With Different Viewer
+open_with_different_viewer.accessKey=o
diff --git a/src/core.js b/src/core.js
index 8e07078ef..409ae060d 100644
--- a/src/core.js
+++ b/src/core.js
@@ -399,9 +399,14 @@ var PDFDocument = (function PDFDocumentClosure() {
       var length = this.stream.length;
       var linearization = false;
       if (length) {
-        linearization = new Linearization(this.stream);
-        if (linearization.length != length)
-          linearization = false;
+        try {
+          linearization = new Linearization(this.stream);
+          if (linearization.length != length)
+            linearization = false;
+        } catch (err) {
+          warn('The linearization data is not available ' +
+               'or unreadable pdf data is found');
+        }
       }
       // shadow the prototype getter with a data property
       return shadow(this, 'linearization', linearization);
diff --git a/test/mozcentral/Makefile.in b/test/mozcentral/Makefile.in
index 93ec187e2..ca686d1b4 100644
--- a/test/mozcentral/Makefile.in
+++ b/test/mozcentral/Makefile.in
@@ -9,13 +9,11 @@ VPATH     = @srcdir@
 relativesrcdir  = browser/extensions/pdfjs/test
 
 include $(DEPTH)/config/autoconf.mk
-include $(topsrcdir)/config/rules.mk
 
-_BROWSER_TEST_FILES = \
+MOCHITEST_BROWSER_FILES = \
   browser_pdfjs_main.js \
   browser_pdfjs_savedialog.js \
   file_pdfjs_test.pdf \
   $(NULL)
 
-libs:: $(_BROWSER_TEST_FILES)
-	$(INSTALL) $(foreach f,$^,"$f") $(DEPTH)/_tests/testing/mochitest/browser/$(relativesrcdir) 
+include $(topsrcdir)/config/rules.mk