diff --git a/libcef/browser/extensions/pdf_extension_util.cc b/libcef/browser/extensions/pdf_extension_util.cc
index 1faa4da00..158f4e19d 100644
--- a/libcef/browser/extensions/pdf_extension_util.cc
+++ b/libcef/browser/extensions/pdf_extension_util.cc
@@ -26,7 +26,10 @@ const char kPdfResourceIdentifier[] = "google-chrome-pdf";
 const char kPdfResourceIdentifier[] = "chromium-pdf";
 #endif
 
-const char kPdfPluginName[] = "Chromium PDF Viewer";
+// Match the GOOGLE_CHROME_BUILD value from ChromeContentClient::kPDFPluginName
+// to avoid breaking Websites that specifically look for this string in the
+// plugin list.
+const char kPdfPluginName[] = "Chrome PDF Viewer";
 
 std::string GetManifest() {
   std::string manifest_contents =
diff --git a/tests/unittests/plugin_unittest.cc b/tests/unittests/plugin_unittest.cc
index e7774fba3..4f345abaf 100644
--- a/tests/unittests/plugin_unittest.cc
+++ b/tests/unittests/plugin_unittest.cc
@@ -233,7 +233,7 @@ class PluginTestHandler : public RoutingTestHandler,
   void WaitForNavigatorPlugins(CefRefPtr<CefFrame> frame) const {
     // Test if the `navigator.plugins` list includes the PDF extension.
     const std::string& code =
-        " if (navigator.plugins['Chromium PDF Viewer'].filename == "
+        " if (navigator.plugins['Chrome PDF Viewer'].filename == "
         "       'mhjfbmdgcfjbbpaeojofohoefgiehjai') {"
         "  window.testQuery({request:'pdf_plugin_found'});"
         "} else {"