diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index e0d705bba..65b2ab261 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -30,10 +30,11 @@ parts:
     npm-include-node: true
     npm-node-version: 10.24.1
     build-environment:
-      - npm_config_unsafe_perm: true
-      - NODE_ENV: dev
+      - npm_config_unsafe_perm: "true"
+      - NODE_ENV: "dev"
       - CPPFLAGS: "$CPPFLAGS -DPNG_ARM_NEON_OPT=0"
     build-packages:
+      - autoconf
       - build-essential
       - libbluetooth-dev
       - libboost-python-dev
@@ -48,3 +49,8 @@ parts:
       npm install --only-dev
       npm run-script build
       cp -av build $CRAFT_PART_INSTALL/lib/node_modules/webthings-gateway/
+      # fix wrongly hardcoded /usr/bin/python interpreter in pagekite
+      if [ -e $CRAFT_PART_INSTALL/lib/node_modules/webthings-gateway/pagekite.py ]; then
+        sed -i 's;#!.*;#! /usr/bin/env python3;' \
+            $CRAFT_PART_INSTALL/lib/node_modules/webthings-gateway/pagekite.py
+      fi