diff --git a/sot-hrprtc-hrp2/INSTALL b/sot-hrprtc-hrp2/INSTALL
index f231be736e0f47f3f04507507d0583fb7798870c..c5deb9ee4f69d39bbddfb6fea9bf7955f0f0a25b 100644
--- a/sot-hrprtc-hrp2/INSTALL
+++ b/sot-hrprtc-hrp2/INSTALL
@@ -7,25 +7,25 @@ case $2 in
 
   POST-INSTALL)
     if ${TEST} -f ${PKG_PREFIX}/lib/RtcStackOfTasks.so; then
-      ln -s ${PKG_PREFIX}/lib/RtcStackOfTasks.so /opt/grx/lib/RtcStackOfTasks.so
+      ln -sf ${PKG_PREFIX}/lib/RtcStackOfTasks.so /opt/grx/lib/RtcStackOfTasks.so
     fi    
     if ${TEST} -f ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/bin/rtc-stack-of-tasks-comp; then
-      ln -s ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/bin/rtc-stack-of-tasks-comp /opt/grx/HRP2LAAS/bin/rtc-stack-of-tasks-comp
+      ln -sf ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/bin/rtc-stack-of-tasks-comp /opt/grx/HRP2LAAS/bin/rtc-stack-of-tasks-comp
     fi
     if ${TEST} -f ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/bin/RtcStackOfTasksComp/rtc.conf; then
-      ln -s ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/bin/RtcStackOfTasksComp/rtc.conf /opt/grx/HRP2LAAS/bin/RtcStackOfTasksComp/rtc.conf
+      ln -sf ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/bin/RtcStackOfTasksComp/rtc.conf /opt/grx/HRP2LAAS/bin/RtcStackOfTasksComp/rtc.conf
     fi
     if ${TEST} -f ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/guisot.py; then
-      ln -s ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/guisot.py /opt/grx/HRP2LAAS/script/guisot.py
+      ln -sf ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/guisot.py /opt/grx/HRP2LAAS/script/guisot.py
     fi
     if ${TEST} -f ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/guiinfosot.py; then
-      ln -s ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/guiinfosot.py /opt/grx/HRP2LAAS/script/guiinfosot.py
+      ln -sf ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/guiinfosot.py /opt/grx/HRP2LAAS/script/guiinfosot.py
     fi
     if ${TEST} -f ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/sot.py; then
-      ln -s ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/sot.py /opt/grx/HRP2LAAS/script/sot.py
+      ln -sf ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/sot.py /opt/grx/HRP2LAAS/script/sot.py
     fi
     if ${TEST} -f ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/sotinfo.py; then
-      ln -s ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/sotinfo.py /opt/grx/HRP2LAAS/script/sotinfo.py
+      ln -sf ${PKG_PREFIX}/share/${LOCALPKGNAME}/HRP2LAAS/script/sotinfo.py /opt/grx/HRP2LAAS/script/sotinfo.py
     fi    
 
     ;;
diff --git a/sot-hrprtc-hrp2/Makefile b/sot-hrprtc-hrp2/Makefile
index 46e4d701aadbe56277af01d852e858bf1e6ed158..862e36c01ced3e55f7ec063d5196ec54b7a45e52 100644
--- a/sot-hrprtc-hrp2/Makefile
+++ b/sot-hrprtc-hrp2/Makefile
@@ -18,6 +18,7 @@ DYNAMIC_PLIST_DIRS+=	share/doc/sot-hrprtc-hrp2
 
 CMAKE_ARGS+=		-DROBOTPKG=ON
 
+include ../../wip/mk/sysdep/openrtm-aist.mk
 include ../../wip/sot-hrp2/depend.mk
 include ../../robots/hrp2-14/depend.mk
 include ../../wip/hrp2-bringup/depend.mk