diff --git a/MasterPassword/C/install b/MasterPassword/C/install
index 1769e0a9..2188f90a 100755
--- a/MasterPassword/C/install
+++ b/MasterPassword/C/install
@@ -45,8 +45,8 @@ fi
 echo
 
 inf "You can also save your user name in ~/.bashrc.  Leave blank to skip this step."
-if MP_USERNAME=$(ask "Your full name:") && [[ $MP_USERNAME ]] ; then
-    printf 'export MP_USERNAME=%q\n' "$MP_USERNAME" >> ~/.bashrc
+if MP_FULLNAME=$(ask "Your full name:") && [[ $MP_FULLNAME ]] ; then
+    printf 'export MP_FULLNAME=%q\n' "$MP_FULLNAME" >> ~/.bashrc
 fi
 echo
 
diff --git a/MasterPassword/C/mpw.bashrc b/MasterPassword/C/mpw.bashrc
index 98edc18f..4fb71d11 100644
--- a/MasterPassword/C/mpw.bashrc
+++ b/MasterPassword/C/mpw.bashrc
@@ -17,8 +17,8 @@ mpw() {
     :| _copy 2>/dev/null
 
     # Ask for the user's name and password if not yet known.
-    MP_USERNAME=${MP_USERNAME:-$(ask 'Your Full Name:')}
+    MP_FULLNAME=${MP_FULLNAME:-$(ask 'Your Full Name:')}
 
     # Start Master Password and copy the output.
-    printf %s "$(MP_USERNAME=$MP_USERNAME command mpw "$@")" | _copy
+    printf %s "$(MP_FULLNAME=$MP_FULLNAME command mpw "$@")" | _copy
 }