diff --git a/infra/tf.nix b/infra/tf.nix
index ba091a34..4218afc0 100644
--- a/infra/tf.nix
+++ b/infra/tf.nix
@@ -2,27 +2,36 @@
 {
   lib,
   pkgs,
+  sources ? import ../npins,
   ...
 }:
 let
   tofuProvider =
     provider:
-    provider.override (oldArgs: {
-      provider-source-address =
-        lib.replaceStrings [ "https://registry.terraform.io/providers" ] [ "registry.opentofu.org" ]
-          oldArgs.homepage;
-    });
+    if provider ? override then
+      provider.override (oldArgs: {
+        provider-source-address =
+          lib.replaceStrings [ "https://registry.terraform.io/providers" ] [ "registry.opentofu.org" ]
+            oldArgs.homepage;
+      })
+    else
+      provider;
   tf = pkgs.opentofu;
+  mkProvider =
+    args:
+    pkgs.terraform-providers.mkProvider (
+      { mkProviderFetcher = { repo, ... }: sources.${repo}; } // args
+    );
   tfPlugins = (
     p: [
       p.external
-      (pkgs.terraform-providers.mkProvider {
+      (mkProvider {
         owner = "bpg";
         repo = "terraform-provider-proxmox";
         rev = "v0.76.1";
         spdx = "MPL-2.0";
-        hash = "sha256-SgaqMcvf1vhWqzWLBtj35yuyRch3m2/sWy15sQzo0ck=";
-        vendorHash = "sha256-xNnpIH5UTWS9otUi1+ttnxK039DvsbolOni75ver1YA=";
+        hash = null;
+        vendorHash = "sha256-3KJ7gi3UEZu31LhEtcRssRUlfsi4mIx6FGTKi1TDRdg=";
         homepage = "https://registry.terraform.io/providers/bpg/proxmox";
         provider-source-address = "registry.opentofu.org/bpg/proxmox";
       })
diff --git a/npins/sources.json b/npins/sources.json
index df164880..e15c18e0 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -121,6 +121,19 @@
       "revision": "f33a4d26226c05d501b9d4d3e5e60a3a59991921",
       "url": "https://github.com/nixos/nixpkgs/archive/f33a4d26226c05d501b9d4d3e5e60a3a59991921.tar.gz",
       "hash": "1b6dm1sn0bdpcsmxna0zzspjaixa2dald08005fry5jrbjvwafdj"
+    },
+    "terraform-provider-proxmox": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "kiaragrouwstra",
+        "repo": "terraform-provider-proxmox"
+      },
+      "branch": "content-type-images",
+      "submodules": false,
+      "revision": "fc12a93e0e00dd878f2bb3fd0e73575d0701b6fd",
+      "url": "https://github.com/kiaragrouwstra/terraform-provider-proxmox/archive/fc12a93e0e00dd878f2bb3fd0e73575d0701b6fd.tar.gz",
+      "hash": "1vbk4xig7dv7gccnfr7kaz6m8li8mggaz541cq3bvw08k4hf7465"
     }
   },
   "version": 5