diff --git a/client/third_party/google_gadgets_for_linux/extensions/libxml2_xml_parser/libxml2_xml_parser.cc b/client/third_party/google_gadgets_for_linux/extensions/libxml2_xml_parser/libxml2_xml_parser.cc
index e32e281..eb977a6 100644
--- a/client/third_party/google_gadgets_for_linux/extensions/libxml2_xml_parser/libxml2_xml_parser.cc
+++ b/client/third_party/google_gadgets_for_linux/extensions/libxml2_xml_parser/libxml2_xml_parser.cc
@@ -470,7 +470,7 @@ std::string GetHTMLCharset(const char* html_content) {
     if (!cursor)
       break;
 
-    if (strncmp(cursor, "<!--", 3) == 0) {
+    if (strncmp(cursor, "<!--", 4) == 0) {
       cursor = strstr(cursor, "-->");
       if (!cursor)
         break;
diff --git a/client/third_party/google_gadgets_for_linux/ggadget/win32/xml_parser.cc b/client/third_party/google_gadgets_for_linux/ggadget/win32/xml_parser.cc
index 675d625..3aef242 100644
--- a/client/third_party/google_gadgets_for_linux/ggadget/win32/xml_parser.cc
+++ b/client/third_party/google_gadgets_for_linux/ggadget/win32/xml_parser.cc
@@ -447,7 +447,7 @@ std::string GetHTMLCharset(const char* html_content) {
     if (!cursor)
       break;
 
-    if (strncmp(cursor, "<!--", 3) == 0) {
+    if (strncmp(cursor, "<!--", 4) == 0) {
       cursor = strstr(cursor, "-->");
       if (!cursor)
         break;