diff --git a/NIGHTLY_PREFIX b/NIGHTLY_PREFIX
new file mode 100644
index 0000000000..ccbccc3dc6
--- /dev/null
+++ b/NIGHTLY_PREFIX
@@ -0,0 +1 @@
+2.2.0
diff --git a/ci/daily-snapshot.yml b/ci/daily-snapshot.yml
index 4221e776ff..705b224cc3 100644
--- a/ci/daily-snapshot.yml
+++ b/ci/daily-snapshot.yml
@@ -29,7 +29,7 @@ jobs:
         eval "$(./dev-env/bin/dade-assist)"
         source $(bash-lib)
 
-        prefix=$(head -1 LATEST | awk '{print $2}' | sed -e 's/\([^-]*\).*/\1/')
+        prefix=$(cat NIGHTLY_PREFIX)
         release=$(./release.sh snapshot HEAD $prefix | awk '{print $2}')
 
         ERR=$(mktemp)