diff -ur slrn-0.9.7.3.orig/src/post.c slrn-0.9.7.3/src/post.c
--- slrn-0.9.7.3.orig/src/post.c	Sat Nov  3 16:15:36 2001
+++ slrn-0.9.7.3/src/post.c	Tue Jan  8 14:34:43 2002
@@ -1209,7 +1209,10 @@
 	     linep[len - 1] = 0;
 #if SLRN_HAS_MIME
 	     if (Slrn_Use_Mime & MIME_DISPLAY)
-	       slrn_mime_header_encode (linep, sizeof (line) - 1);
+	       {
+		  slrn_mime_header_encode (linep, sizeof (line) - 1);
+		  len = strlen (linep);
+	       }
 #endif
 	  }