diff --git a/src/makefiles/linux_32bit.mak b/src/makefiles/linux_32bit.mak
index bf88a0a4..7c17ead4 100644
--- a/src/makefiles/linux_32bit.mak
+++ b/src/makefiles/linux_32bit.mak
@@ -1,24 +1,24 @@
 # SoftEther VPN Source Code
-# 
+#
 # Copyright (c) 2012-2016 SoftEther VPN Project at University of Tsukuba, Japan.
 # Copyright (c) 2012-2016 Daiyuu Nobori.
 # All Rights Reserved.
-# 
+#
 # http://www.softether.org/
-# 
+#
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # version 2 as published by the Free Software Foundation.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License version 2
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-# 
+#
 # Platform: os=Linux, bits=32bit
 
 # Variables
@@ -422,6 +422,7 @@ $(INSTALL_BINDIR)vpncmd: bin/vpncmd/hamcore.se2 bin/vpncmd/vpncmd
 	@mkdir -p $(INSTALL_VPNCMD_DIR)
 	cp bin/vpncmd/hamcore.se2 $(INSTALL_VPNCMD_DIR)hamcore.se2
 	cp bin/vpncmd/vpncmd $(INSTALL_VPNCMD_DIR)vpncmd
+	chmod 644 $(INSTALL_VPNCMD_DIR)hamcore.se2
 	echo "#!/bin/sh" > $(INSTALL_BINDIR)vpncmd
 	echo $(INSTALL_VPNCMD_DIR)vpncmd '"$$@"' >> $(INSTALL_BINDIR)vpncmd
 	echo 'exit $$?' >> $(INSTALL_BINDIR)vpncmd
diff --git a/src/makefiles/linux_64bit.mak b/src/makefiles/linux_64bit.mak
index 0fd8c018..7fafa1f0 100644
--- a/src/makefiles/linux_64bit.mak
+++ b/src/makefiles/linux_64bit.mak
@@ -1,24 +1,24 @@
 # SoftEther VPN Source Code
-# 
+#
 # Copyright (c) 2012-2016 SoftEther VPN Project at University of Tsukuba, Japan.
 # Copyright (c) 2012-2016 Daiyuu Nobori.
 # All Rights Reserved.
-# 
+#
 # http://www.softether.org/
-# 
+#
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # version 2 as published by the Free Software Foundation.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License version 2
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-# 
+#
 # Platform: os=Linux, bits=64bit
 
 # Variables
@@ -422,6 +422,7 @@ $(INSTALL_BINDIR)vpncmd: bin/vpncmd/hamcore.se2 bin/vpncmd/vpncmd
 	@mkdir -p $(INSTALL_VPNCMD_DIR)
 	cp bin/vpncmd/hamcore.se2 $(INSTALL_VPNCMD_DIR)hamcore.se2
 	cp bin/vpncmd/vpncmd $(INSTALL_VPNCMD_DIR)vpncmd
+	chmod 644 $(INSTALL_VPNCMD_DIR)hamcore.se2
 	echo "#!/bin/sh" > $(INSTALL_BINDIR)vpncmd
 	echo $(INSTALL_VPNCMD_DIR)vpncmd '"$$@"' >> $(INSTALL_BINDIR)vpncmd
 	echo 'exit $$?' >> $(INSTALL_BINDIR)vpncmd