diff --git a/src/KIM/Install.sh b/src/KIM/Install.sh
index 70784e506d..9a734b30ce 100644
--- a/src/KIM/Install.sh
+++ b/src/KIM/Install.sh
@@ -11,8 +11,11 @@ if (test $1 = 1) then
   fi
 
   if (test -e ../Makefile.package.settings) then
-    sed -i -e '/^include.*kim.*$/d' ../Makefile.package.settings
-    sed -i '4 i include ..\/..\/lib\/kim\/Makefile.lammps' ../Makefile.package.settings
+    sed -i -e '/^include.*KIM.*$/d' ../Makefile.package.settings
+    # multiline form needed for BSD sed on Macs
+    sed -i '4 i \
+include KIM\/Makefile.lammps\
+' ../Makefile.package.settings
   fi
 
   cp pair_kim.cpp ..
@@ -25,7 +28,7 @@ elif (test $1 = 0) then
   fi
 
   if (test -e ../Makefile.package.settings) then
-    sed -i -e '/^include.*kim.*$/d' ../Makefile.package.settings
+    sed -i -e '/^include.*KIM.*$/d' ../Makefile.package.settings
   fi
 
   rm -f ../pair_kim.cpp
diff --git a/src/USER-MOLFILE/Install.sh b/src/USER-MOLFILE/Install.sh
index 23bce3a81c..b3ec96a945 100644
--- a/src/USER-MOLFILE/Install.sh
+++ b/src/USER-MOLFILE/Install.sh
@@ -10,10 +10,10 @@ if (test $1 = 1) then
   fi
 
   if (test -e ../Makefile.package.settings) then
-    sed -i -e '/^include.*molfile.*$/d' ../Makefile.package.settings
+    sed -i -e '/^include.*USER-MOLFILE.*$/d' ../Makefile.package.settings
     # multiline form needed for BSD sed on Macs
     sed -i '4 i \
-include ..\/..\/lib\/molfile\/Makefile.lammps\
+include USER-MOLFILE\/Makefile.lammps\
 ' ../Makefile.package.settings
   fi
 
@@ -35,7 +35,7 @@ elif (test $1 = 0) then
   fi
 
   if (test -e ../Makefile.package.settings) then
-    sed -i -e '/^include.*molfile.*$/d' ../Makefile.package.settings
+    sed -i -e '/^include.*USER-MOLFILE.*$/d' ../Makefile.package.settings
   fi
 
   rm -f ../molfile_interface.cpp