diff --git a/.github/workflows/update-check.yaml b/.github/workflows/update-check.yaml
index cb9fe98..0c46ab4 100644
--- a/.github/workflows/update-check.yaml
+++ b/.github/workflows/update-check.yaml
@@ -2,9 +2,6 @@ name: update check
 
 on:
   push:
-    branches:
-      - master
-      - dev
     paths:
       - .github/workflows/update-check.yaml
       - update-check.py
diff --git a/deb/Dockerfile b/deb/Dockerfile
index 54bd166..a431004 100644
--- a/deb/Dockerfile
+++ b/deb/Dockerfile
@@ -3,7 +3,7 @@
 
 FROM debian:sid-slim AS build
 
-COPY install.sh RELEASE /
+COPY install.sh PACKAGE /
 RUN apt-get update && apt-get install -y wget binutils
 
 # Repack deb (removes unnecessary dependencies and produces /protonmail.deb)
@@ -18,7 +18,7 @@ EXPOSE 143/tcp
 WORKDIR /protonmail
 
 # Copy bash scripts
-COPY gpgparams entrypoint.sh RELEASE /protonmail/
+COPY gpgparams entrypoint.sh PACKAGE /protonmail/
 COPY --from=build /protonmail.deb /tmp/protonmail.deb
 
 RUN apt-get update \
diff --git a/deb/install.sh b/deb/install.sh
index b71fea7..9593725 100644
--- a/deb/install.sh
+++ b/deb/install.sh
@@ -3,7 +3,7 @@ set -ex
 
 # Repack deb (remove unnecessary dependencies)
 mkdir deb
-wget -i "$RELEASE" -O /deb/protonmail.deb
+wget -i /PACKAGE -O /deb/protonmail.deb
 cd deb
 ar x -v protonmail.deb
 mkdir control