diff --git a/ChangeLog b/ChangeLog
index eb8bf26c1..ea74ec249 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-02  Richard Frith-Macdonald <rfm@gnu.org>
+
+	* Source/Additions/GSMime.m: ([GSMimeDocument-makeBoundary])
+	fixed memory leak.
+
 2003-09-30  Adam Fedor  <fedor@gnu.org>
 
 	* config/procfs.m4: Force disable /proc on Irix. Force enable
diff --git a/Source/Additions/GSMime.m b/Source/Additions/GSMime.m
index 66ba59e76..f776e5418 100644
--- a/Source/Additions/GSMime.m
+++ b/Source/Additions/GSMime.m
@@ -3754,6 +3754,7 @@ static NSCharacterSet	*tokenSet = nil;
   md = [[NSMutableData alloc] initWithLength: 40];
   [md setLength: encodebase64([md mutableBytes], output, 20)];
   result = [[NSString alloc] initWithData: md encoding: NSASCIIStringEncoding];
+  RELEASE(md);
   return AUTORELEASE(result);
 }