diff --git a/nixos/tests/garage/with-3node-replication.nix b/nixos/tests/garage/with-3node-replication.nix
index d4387b198d97..266a1082893f 100644
--- a/nixos/tests/garage/with-3node-replication.nix
+++ b/nixos/tests/garage/with-3node-replication.nix
@@ -7,10 +7,10 @@ args@{ mkNode, ver, ... }:
   };
 
   nodes = {
-    node1 = mkNode { replicationMode = 3; publicV6Address = "fc00:1::1"; };
-    node2 = mkNode { replicationMode = 3; publicV6Address = "fc00:1::2"; };
-    node3 = mkNode { replicationMode = 3; publicV6Address = "fc00:1::3"; };
-    node4 = mkNode { replicationMode = 3; publicV6Address = "fc00:1::4"; };
+    node1 = mkNode { replicationMode = "3"; publicV6Address = "fc00:1::1"; };
+    node2 = mkNode { replicationMode = "3"; publicV6Address = "fc00:1::2"; };
+    node3 = mkNode { replicationMode = "3"; publicV6Address = "fc00:1::3"; };
+    node4 = mkNode { replicationMode = "3"; publicV6Address = "fc00:1::4"; };
   };
 
   testScript = ''