diff --git a/ChangeLog b/ChangeLog
index 3f919ea41edf0de75c2432b958d7aa0796b638b4..11f8badc5f95308e98f5dffb21f80a30d6d1ff04 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2002-11-22  Niels Möller  <niels@s3.kth.se>
+
+	* buffer.c: Include assert.h.
+
 2002-11-16  Niels Möller  <nisse@cuckoo.hack.org>
 
 	* sexp2dsa.c, sexp2rsa.c: (macro GET): Check sign of parsed
diff --git a/buffer.c b/buffer.c
index b2c5ecb524f90a0a7b21f414865c4bcb688cf021..08e4b6b3587688b8063f79460d81470fa5b6dda7 100644
--- a/buffer.c
+++ b/buffer.c
@@ -25,6 +25,7 @@
 
 #include "buffer.h"
 
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>