diff --git a/Code/Installer/generateWxs.py b/Code/Installer/generateWxs.py
index 4478358b173912389c5d3b804664f3347e433e70..98701753eb1a3c01fde62cb68e06bd3c182ff31e 100644
--- a/Code/Installer/generateWxs.py
+++ b/Code/Installer/generateWxs.py
@@ -474,9 +474,9 @@ addDlls('../Third_Party/lib/win' + ARCH,'3dDll',MantidDlls,['hd421m.dll','hdf5dl
 addTo(MantidDlls,'Environment',{'Id':'UpdatePath','Name':'PATH','Action':'set','Part':'last','Value':'[PYTHON25DIR]'})
 # MantidPATH to point to the bin directory
 mantidbin = '[INSTALLDIR]\\bin'
-addTo(MantidDlls,'Environment',{'Id':'SetMtdPath','Name':'MANTIDBIN','Action':'set','Part':'all','Value':mantidbin})
+addTo(MantidDlls,'Environment',{'Id':'SetMtdPath','Name':'MANTIDPATH','Action':'set','Part':'all','Value':mantidbin})
 # Also add binary directory to the path
-addTo(MantidDlls,'Environment',{'Id':'AddMtdPath','Name':'PATH','Action':'set','Part':'last','Value':'%MANTIDBIN%'})
+addTo(MantidDlls,'Environment',{'Id':'AddMtdPath','Name':'PATH','Action':'set','Part':'last','Value':'%MANTIDPATH%'})
 
 # ---------------------- Matlab bindings -------------------------
 # Only on 32bit windows for the moment
diff --git a/Code/MacInstaller/installer_hooks/postflight b/Code/MacInstaller/installer_hooks/postflight
index 3b32ea9147ffb832b7a9d89fbabe0ec1fce1ddeb..068a019bf3b013c4b25216dfe5ce9e2dc8912dcb 100644
--- a/Code/MacInstaller/installer_hooks/postflight
+++ b/Code/MacInstaller/installer_hooks/postflight
@@ -9,7 +9,7 @@ echo "=== Starting postflight installer hook ==="
 echo
 
 # ------------- Environmental variable update -----------------------
-# Ensure the MANTIDBIN environmental variable is set correctly by either:
+# Ensure the MANTIDPATH environmental variable is set correctly by either:
 #   (a) Creating a new ~/.MacOS/environment.plist file or
 #   (b) Updating an existing file with the current value.
 echo "Checking current environmental variable status"
@@ -20,7 +20,7 @@ if [ ! -d ${env_dir} ]; then
     mkdir -p ${env_dir}
 fi
 
-var_name=MANTIDBIN
+var_name=MANTIDPATH
 var_value=/Applications/MantidPlot.app/Contents/MacOS
 
 key_value="<key>${var_name}</key>\n<string>${var_value}</string>"
diff --git a/Code/RPM_Kit/Mantid/utils/mantid.csh b/Code/RPM_Kit/Mantid/utils/mantid.csh
index ad24344f6459f1ce55fc7d076239f33f0a3e9b93..0ec042aed5e4a2692eb07329a042ca48243c3b8e 100755
--- a/Code/RPM_Kit/Mantid/utils/mantid.csh
+++ b/Code/RPM_Kit/Mantid/utils/mantid.csh
@@ -1,3 +1,3 @@
 #!/bin/csh
-setenv MANTIDBIN "MANTIDBINDIR"
-setenv PATH "${PATH}:${MANTIDBIN}"
+setenv MANTIDPATH "MANTIDBINDIR"
+setenv PATH "${PATH}:${MANTIDPATH}"
diff --git a/Code/RPM_Kit/Mantid/utils/mantid.sh b/Code/RPM_Kit/Mantid/utils/mantid.sh
index 5777f35ec2309f807544ab4629102804d4bc4acb..aa616141db3d20ef47f6818df4ffdd4c34beef55 100755
--- a/Code/RPM_Kit/Mantid/utils/mantid.sh
+++ b/Code/RPM_Kit/Mantid/utils/mantid.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
-MANTIDBIN=MANTIDBINDIR
-PATH=${PATH}:${MANTIDBIN}
-export MANTIDBIN PATH
+MANTIDPATH=MANTIDBINDIR
+PATH=${PATH}:${MANTIDPATH}
+export MANTIDPATH PATH