diff --git a/prepare-labs/lib/pssh.sh b/prepare-labs/lib/pssh.sh
index f7f55e9a..7497877e 100644
--- a/prepare-labs/lib/pssh.sh
+++ b/prepare-labs/lib/pssh.sh
@@ -17,7 +17,7 @@ pssh() {
 
     echo "[parallel-ssh] $@"
 
-    $(which pssh) -h $HOSTFILE -l ubuntu \
+    $(which pssh || which parallel-ssh) -h $HOSTFILE -l ubuntu \
         --par ${PSSH_PARALLEL_CONNECTIONS-100} \
         --timeout 300 \
         -O LogLevel=ERROR \