diff --git a/gnome-session/budgie-session.in b/gnome-session/budgie-session.in
index 8a91e061..3e2ef031 100755
--- a/gnome-session/budgie-session.in
+++ b/gnome-session/budgie-session.in
@@ -7,13 +7,15 @@ if [ "x$XDG_SESSION_TYPE" = "xwayland" ] &&
    ! (echo "$SHELL" | grep -q "false") &&
    ! (echo "$SHELL" | grep -q "nologin"); then
   if [ "$1" != '-l' ]; then
-    exec bash -c "exec -l '$SHELL' -c '$0 -l $*'"
+    # Make sure the shell actually sets up the environment.
+    unset __NIXOS_SET_ENVIRONMENT_DONE
+    exec @bash@ -c "exec -l '$SHELL' -c '$0 -l $*'"
   else
     shift
   fi
 fi
 
-SETTING=$(G_MESSAGES_DEBUG='' gsettings get org.gnome.system.locale region)
+SETTING=$(G_MESSAGES_DEBUG='' @gsettings@ get org.gnome.system.locale region)
 REGION=${SETTING#\'}
 REGION=${REGION%\'}
 
diff --git a/gnome-session/main.c b/gnome-session/main.c
index 327c7c7f..301ec7ee 100644
--- a/gnome-session/main.c
+++ b/gnome-session/main.c
@@ -219,7 +219,7 @@ require_dbus_session (int      argc,
         }
         new_argv[i + 2] = NULL;
 
-        if (!execvp ("dbus-launch", new_argv)) {
+        if (!execvp ("@dbusLaunch@", new_argv)) {
                 g_set_error (error,
                              G_SPAWN_ERROR,
                              G_SPAWN_ERROR_FAILED,