diff --git a/config/thisroot.fish b/config/thisroot.fish
index 0ee7baf396439b829426c348911d766a478ca532..ac06fdf80be79eba715c65c58b1b1b18ad4e511d 100644
--- a/config/thisroot.fish
+++ b/config/thisroot.fish
@@ -47,8 +47,8 @@ update_path DYLD_LIBRARY_PATH "$old_rootsys" "/lib" @libdir@
 update_path PYTHONPATH "$old_rootsys" "/lib" @libdir@
 update_path MANPATH "$old_rootsys" "/man" @mandir@
 update_path CMAKE_PREFIX_PATH "$old_rootsys" "" $ROOTSYS
-update_path JUPYTER_PATH "$old_rootsys" "/etc/notebook" ROOTSYS/etc/notebook
-update_path JUPYTER_CONFIG_DIR "$old_rootsys" "/etc/notebook" ROOTSYS/etc/notebook
+update_path JUPYTER_PATH "$old_rootsys" "/etc/notebook" $ROOTSYS/etc/notebook
+update_path JUPYTER_CONFIG_DIR "$old_rootsys" "/etc/notebook" $ROOTSYS/etc/notebook
 
 # Prevent Cppyy from checking the PCH (and avoid warning)
 set -xg CLING_STANDARD_PCH none