diff --git a/src/cfgparse.c b/src/cfgparse.c
index 7e939eea1..c2115e6a2 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -773,11 +773,6 @@ int cfg_parse_global(const char *file, int linenum, char **args, int kwm)
 			err_code |= ERR_ALERT | ERR_FATAL;
 			goto out;
 		}
-		if (!init_trash_buffers()) {
-			Alert("parsing [%s:%d] : failed to initialize trash buffers.\n", file, linenum);
-			err_code |= ERR_ALERT | ERR_FATAL;
-			goto out;
-		}
 	}
 	else if (!strcmp(args[0], "tune.maxrewrite")) {
 		if (alertif_too_many_args(1, file, linenum, args, &err_code))
diff --git a/src/haproxy.c b/src/haproxy.c
index c27fca0dd..efc4da552 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -1712,6 +1712,12 @@ static void init(int argc, char **argv)
 	if (global.nbproc < 1)
 		global.nbproc = 1;
 
+	/* Realloc trash buffers because global.tune.bufsize may have changed */
+	if (!init_trash_buffers()) {
+		Alert("failed to initialize trash buffers.\n");
+		exit(1);
+	}
+
 	swap_buffer = calloc(1, global.tune.bufsize);
 	get_http_auth_buff = calloc(1, global.tune.bufsize);
 	static_table_key = calloc(1, sizeof(*static_table_key));