diff --git a/package/gauche/gauche.hash b/package/gauche/gauche.hash
index 9ec106a97d..975e958a08 100644
--- a/package/gauche/gauche.hash
+++ b/package/gauche/gauche.hash
@@ -1,2 +1,3 @@
 # Locally calculated
 sha256 7b18bcd70beaced1e004594be46c8cff95795318f6f5830dd2a8a700410fc149  Gauche-0.9.4.tgz
+sha256 0ff5986540d8ad89eee595de766810f09e489a6a3363b47a65ce7ad18701ee01  13a196557848f22a1607a300643131345e9f32b3.patch
diff --git a/package/gauche/gauche.mk b/package/gauche/gauche.mk
index 95a448b12b..85fcc71848 100644
--- a/package/gauche/gauche.mk
+++ b/package/gauche/gauche.mk
@@ -10,6 +10,7 @@ GAUCHE_SITE = http://downloads.sourceforge.net/project/gauche/Gauche
 GAUCHE_LICENSE = BSD-3c, Boehm-gc, SRFI (srfi-11.scm), reload (reload.scm)
 GAUCHE_LICENSE_FILES = COPYING
 GAUCHE_DEPENDENCIES = host-gauche
+GAUCHE_PATCH = https://github.com/shirok/Gauche/commit/13a196557848f22a1607a300643131345e9f32b3.patch
 
 HOST_GAUCHE_CONF_OPTS = --without-zlib
 GAUCHE_CONF_OPTS = --without-libatomic-ops