diff --git a/src/OPT/Install.sh b/src/OPT/Install.sh
index 9777c5d5a1..def2801101 100644
--- a/src/OPT/Install.sh
+++ b/src/OPT/Install.sh
@@ -37,7 +37,7 @@ action pair_lj_cut_coul_long_opt.h pair_lj_cut_coul_long.cpp
 action pair_lj_cut_opt.cpp
 action pair_lj_cut_opt.h
 action pair_lj_cut_tip4p_long_opt.cpp pair_lj_cut_tip4p_long.cpp
-action pair_lj_cut_tip4p_long_opt.h pair_lj_cut_tip3p_long.cpp 
+action pair_lj_cut_tip4p_long_opt.h pair_lj_cut_tip4p_long.cpp 
 action pair_lj_long_coul_long_opt.cpp pair_lj_long_coul_long.cpp
 action pair_lj_long_coul_long_opt.h pair_lj_long_coul_long.cpp
 action pair_morse_opt.cpp
diff --git a/src/Package.sh b/src/Package.sh
index 685cbb8dc5..3153a9697b 100644
--- a/src/Package.sh
+++ b/src/Package.sh
@@ -42,9 +42,9 @@ elif (test $2 = "update") then
   if (test $installed = 1) then
     echo "  re-installing package $1"
     if (test -e Install.sh) then
-      cd $1; /bin/sh Install.sh 1; cd ..
+      /bin/sh Install.sh 1
     else
-      cd $1; /bin/sh ../Install.sh 1; cd ..
+      /bin/sh ../Install.sh 1
     fi
     cd ..
     /bin/sh Depend.sh $1 1