diff --git a/deployment/check/common/deployerNode.nix b/deployment/check/common/deployerNode.nix
index 6f8b15f0..0f982e6e 100644
--- a/deployment/check/common/deployerNode.nix
+++ b/deployment/check/common/deployerNode.nix
@@ -62,7 +62,6 @@ in
         sources.nixpkgs
         sources.flake-inputs
         sources.git-hooks
-        sources.disko
 
         pkgs.stdenv
         pkgs.stdenvNoCC
diff --git a/deployment/check/data-model-tf-proxmox/nixosTest.nix b/deployment/check/data-model-tf-proxmox/nixosTest.nix
index 0a2f6fa4..2effe440 100644
--- a/deployment/check/data-model-tf-proxmox/nixosTest.nix
+++ b/deployment/check/data-model-tf-proxmox/nixosTest.nix
@@ -142,6 +142,7 @@ in
           ];
         };
       system.extraDependencies = [
+        sources.disko
         pkgs.ubootQemuX86
         pkgs.ubootQemuX86.inputDerivation
         pkgs.pve-qemu