diff --git a/ChangeLog b/ChangeLog
index 50c28b70..329bb093 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-05-12  Colomban Wendling  <colomban(at)geany(dot)org>
+
+ * src/encodings.c:
+   Update the HTML content-type encoding detection regexp to accept some
+   more valid inputs (closes #3300703).
+
+
 2011-05-11  Colomban Wendling  <colomban(at)geany(dot)org>
 
  * src/plugins.c:
diff --git a/src/encodings.c b/src/encodings.c
index e128cf83..cebc822e 100644
--- a/src/encodings.c
+++ b/src/encodings.c
@@ -51,7 +51,7 @@
 #endif
 
 /* <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> */
-#define PATTERN_HTMLMETA "<meta[ \t\n\r\f]http-equiv[ \t\n\r\f]*=[ \t\n\r\f]*\"content-type\"[ \t\n\r\f]+content[ \t\n\r\f]*=[ \t\n\r\f]*\"text/x?html;[ \t\n\r\f]*charset=([a-z0-9_-]+)\"[ \t\n\r\f]*/?>"
+#define PATTERN_HTMLMETA "<meta[ \t\n\r\f]+http-equiv[ \t\n\r\f]*=[ \t\n\r\f]*\"?content-type\"?[ \t\n\r\f]+content[ \t\n\r\f]*=[ \t\n\r\f]*\"text/x?html;[ \t\n\r\f]*charset=([a-z0-9_-]+)\"[ \t\n\r\f]*/?>"
 /* " geany_encoding=utf-8 " or " coding: utf-8 " */
 #define PATTERN_CODING "coding[\t ]*[:=][\t ]*\"?([a-z0-9-]+)\"?[\t ]*"