diff --git a/jfjoch_viewer/README.md b/jfjoch_viewer/README.md
index 4fb3fbe..64d7770 100644
--- a/jfjoch_viewer/README.md
+++ b/jfjoch_viewer/README.md
@@ -9,7 +9,7 @@ module use unstable
 module load modbuild/2.1.3
 ```
 
-Step 3: go into jfjoch_viewer directory, update config.yaml to add newest release version and build module with that release name
+Step 3: go into jfjoch_viewer directory, update config.yaml to add the newest release version from https://gitea.psi.ch/mx/Jungfraujoch/releases and build the module with that release name -- the linux-cuda12 tarball is downloaded from the releases page automatically, no local tarball needed
 
 ```
 cd jfjoch_viewer
diff --git a/jfjoch_viewer/build b/jfjoch_viewer/build
index 1c380e6..55e3bb6 100644
--- a/jfjoch_viewer/build
+++ b/jfjoch_viewer/build
@@ -8,7 +8,12 @@ pbuild::configure() { :; }
 pbuild::compile() { :; }
 
 pbuild::install() {
-    mkdir "${PREFIX}/bin"
+    # Release tag on gitea.psi.ch/mx/Jungfraujoch matches the module version,
+    # so the tarball is fetched per-version instead of shipped in the buildblock.
+    local -r tarball="jfjoch_viewer-${V}-linux-cuda12.tgz"
+    mkdir -p "${PREFIX}/bin"
     cd "${PREFIX}/bin"
-    tar -xvzf "${BUILDBLOCK_DIR}/jfjoch_viewer-1.0.0-rc.160-linux-cuda12.tgz" --strip-components=1
+    curl -fLO "https://gitea.psi.ch/mx/Jungfraujoch/releases/download/${V}/${tarball}"
+    tar -xzf "${tarball}" --strip-components=1
+    rm "${tarball}"
 }
diff --git a/jfjoch_viewer/modulefile b/jfjoch_viewer/modulefile
index 8d074e7..e05a182 100644
--- a/jfjoch_viewer/modulefile
+++ b/jfjoch_viewer/modulefile
@@ -1,7 +1,7 @@
 #%Module
 
 module-whatis       "jfjoch viewer trying install offline processing for mx beamlines"
-module-url          "https://gitea.psi.ch/mx/-/packages/rpm/jfjoch-viewer"
+module-url          "https://gitea.psi.ch/mx/Jungfraujoch/releases"
 module-license      "for internal testing right now"
 module-maintainer   "MX Data <jiaxin.duan@psi.ch>"