diff --git a/.gitignore b/.gitignore
index 8278b240..df62eded 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ etc/Deployment/buildenv.txt
 etc/Prerequisites/qt4_static/lib
 etc/Prerequisites/qt4_static/plugins
 etc/Prerequisites/qt4_static/bin
+etc/Prerequisites/*.old
 etc/Translation/*.ts.bak
 /ipch
 /obj
diff --git a/doc/Changelog.html b/doc/Changelog.html
index 6054be24..da875849 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -25,7 +25,7 @@ a:visited { color: #0000EE; }
 <li>Added Polish translation, thanks to Sir Daniel K &lt;sir.daniel.k@gmail.com&gt;
 <li>Updated Qt runtime libraries to v4.8.0 Beta-1 (2011-07-19), compiled with MSVC 10.0
 <li>Updated mpg123 decoder to v1.13.4 (2011-09-07), compiled with GCC 4.6.1
-<li>Updated MediaInfo to v0.7.49 (2011-09-09), compiled with MSVC 10.0
+<li>Updated MediaInfo to v0.7.50 (2011-09-23), compiled with MSVC 10.0
 <li>Updated language files (big thank-you to all contributors !!!)
 <li>Improved "downmix" filter by using explicit channel mappings for each number of input channels
 <li>Fixed Cue Sheet import for tracks with certain characters in the title