diff --git a/ops/nixos/camden/default.nix b/ops/nixos/camden/default.nix
index 2eb8976da..57cc696e4 100644
--- a/ops/nixos/camden/default.nix
+++ b/ops/nixos/camden/default.nix
@@ -2,7 +2,7 @@
 { depot, pkgs, lib, ... }:
 
 config: let
-  nixpkgs = import depot.third_party.nixpkgsSrc {
+  nixpkgs = import depot.third_party.stableNixpkgsSrc {
     config.allowUnfree = true;
   };
 in lib.fix(self: {
diff --git a/ops/nixos/nugget/default.nix b/ops/nixos/nugget/default.nix
index 3bb46166b..6d2761deb 100644
--- a/ops/nixos/nugget/default.nix
+++ b/ops/nixos/nugget/default.nix
@@ -2,7 +2,7 @@
 { depot, lib, ... }:
 
 config: let
-  nixpkgs = import depot.third_party.nixpkgsSrc {
+  nixpkgs = import depot.third_party.stableNixpkgsSrc {
     config.allowUnfree = true;
   };
 
diff --git a/third_party/default.nix b/third_party/default.nix
index 8f019b328..aca3430c9 100644
--- a/third_party/default.nix
+++ b/third_party/default.nix
@@ -19,8 +19,8 @@ let
   # Tracking nixos-20.03 as of 2020-05-22
   stableCommit = "48723f48ab92381f0afd50143f38e45cf3080405";
   stableNixpkgsSrc = fetchTarball {
-    url = "https://github.com/NixOS/nixpkgs-channels/archive/${commit}.tar.gz";
-    sha256 = "0nkk492aa7pr0d30vv1aw192wc16wpa1j02925pldc09s9m9i0r3";
+    url = "https://github.com/NixOS/nixpkgs-channels/archive/${stableCommit}.tar.gz";
+    sha256 = "0h3b3l867j3ybdgimfn76lw7w6yjhszd5x02pq5827l659ihcf53";
   };
   stableNixpkgs = import stableNixpkgsSrc {};
 
@@ -167,5 +167,5 @@ in exposed // {
   };
 
   # Make NixOS available
-  nixos = import "${nixpkgsSrc}/nixos";
+  nixos = import "${stableNixpkgsSrc}/nixos";
 }