diff --git a/morituri/common/program.py b/morituri/common/program.py
index 69d7c80..b66d717 100644
--- a/morituri/common/program.py
+++ b/morituri/common/program.py
@@ -175,6 +175,7 @@ class Program(log.Loggable):
         v['r'] = 'unknown'
         v['R'] = 'Unknown'
         v['x'] = profile and profile.extension or 'unknown'
+        v['X'] = v['x'].upper()
 
         v['a'] = v['A']
         if i == 0:
diff --git a/morituri/rip/common.py b/morituri/rip/common.py
index 5b59e19..ccf1ef2 100644
--- a/morituri/rip/common.py
+++ b/morituri/rip/common.py
@@ -23,7 +23,8 @@ disc and track template are:
  - %y: release year
  - %r: release type, lowercase
  - %R: Release type, normal case
- - %x: audio extension
+ - %x: audio extension, lowercase
+ - %X: audio extension, uppercase
 
 '''
 
@@ -37,5 +38,3 @@ def addTemplate(self):
         action="store", dest="disc_template",
         help="template for disc file naming (default %default)",
         default=DEFAULT_DISC_TEMPLATE)
-
-