diff --git a/ChangeLog b/ChangeLog
index cc8bb3f5..11673e14 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-04-25  Nicolas François  <nicolas.francois@centraliens.net>
+
+	* src/lastlog.c: Remove function calls from within assert().
+
 2009-04-25  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* libmisc/obscure.c: Change some int to size_t.
diff --git a/src/lastlog.c b/src/lastlog.c
index 6203e668..9fde1612 100644
--- a/src/lastlog.c
+++ b/src/lastlog.c
@@ -108,7 +108,8 @@ static void print_one (/*@null@*/const struct passwd *pw)
 
 	if (offset <= (statbuf.st_size - sizeof (ll))) {
 		/* fseeko errors are not really relevant for us. */
-		assert ( fseeko (lastlogfile, offset, SEEK_SET) == 0 );
+		int err = fseeko (lastlogfile, offset, SEEK_SET);
+		assert (0 == err);
 		/* lastlog is a sparse file. Even if no entries were
 		 * entered for this user, which should be able to get the
 		 * empty entry in this case.