diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index fc286ffa9..980ffa94f 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -25,8 +25,7 @@ apps:
       PATH: "$SNAP/bin:$SNAP/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"
       AUGEAS_LENS_LIB: "$SNAP/usr/share/augeas/lenses/dist"
       CERTBOT_SNAPPED: "True"
-      PYTHONHOME: "$SNAP"
-      PYTHONPATH: "$SNAP/lib/python3.12/site-packages:$SNAP/usr/lib/python3/dist-packages/:$SNAP/usr/lib/python3.12"
+      PYTHONPATH: "${SNAP}/lib/python3.12/site-packages:${SNAP}/usr/lib/python3/dist-packages:${PYTHONPATH}"
   renew:
     command: bin/python3 -s $SNAP/bin/certbot -q renew
     daemon: oneshot