diff --git a/ChangeLog b/ChangeLog
index 9ca4353..6facccc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
 
+2003-07-05 Philippe C.D. Robert <probert@siggraph.org>
+
+        * Uppercase key for interface category lookup: PCFileManager.m
+
 2003-07-04 Philippe C.D. Robert <probert@siggraph.org>
 
         * Updated TODO, ANNOUNCE, README and INSTALL files
diff --git a/PCLib/PCFileManager.m b/PCLib/PCFileManager.m
index c9e6cbe..655aab1 100644
--- a/PCLib/PCFileManager.m
+++ b/PCLib/PCFileManager.m
@@ -127,7 +127,7 @@ static PCFileManager *_mgr = nil;
   title = [[[project rootCategories] allKeysForObject:key] objectAtIndex:0];
   title = [NSString stringWithFormat:@"Add to %@...",title];
 
-  types = [project fileExtensionsForCategory:key];
+  types = [project fileExtensionsForCategory:[key uppercaseString]];
 
   openPanel = [NSOpenPanel openPanel];
   [openPanel setAllowsMultipleSelection:YES];