diff --git a/cluster/staging/node/spoutnik.nix b/cluster/staging/node/spoutnik.nix.unavailable
similarity index 100%
rename from cluster/staging/node/spoutnik.nix
rename to cluster/staging/node/spoutnik.nix.unavailable
diff --git a/sshtool b/sshtool
index 58b00ef..f6f8521 100755
--- a/sshtool
+++ b/sshtool
@@ -14,7 +14,7 @@ fi
 shift 1
 
 if [ -z "$1" ]; then
-	NIXHOSTLIST=$(ls cluster/$CLUSTER/node | grep -v '\.site\.')
+	NIXHOSTLIST=$(ls cluster/$CLUSTER/node | grep '\.nix$' | grep -v '\.site\.')
 else
 	NIXHOSTLIST="$@"
 fi