diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix
index 8d3a7ba6929c..9e9f2cb4e3bc 100644
--- a/pkgs/build-support/rust/default.nix
+++ b/pkgs/build-support/rust/default.nix
@@ -199,7 +199,7 @@ stdenv.mkDerivation (args // {
       -executable ! \( -regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" \))
   '';
 
-  checkPhase = args.checkPhase or (let
+  installCheckPhase = args.checkPhase or (let
     argstr = "${stdenv.lib.optionalString (checkType == "release") "--release"} --target ${rustTarget} --frozen";
   in ''
     ${stdenv.lib.optionalString (buildAndTestSubdir != null) "pushd ${buildAndTestSubdir}"}
diff --git a/pkgs/development/tools/rust/rustup/default.nix b/pkgs/development/tools/rust/rustup/default.nix
index 688159445d5a..e4f15a44308a 100644
--- a/pkgs/development/tools/rust/rustup/default.nix
+++ b/pkgs/development/tools/rust/rustup/default.nix
@@ -39,7 +39,9 @@ rustPlatform.buildRustPackage rec {
     )
   ];
 
-  doCheck = !stdenv.isAarch64 && !stdenv.isDarwin;
+  # Disable tests until they can be run with --features no-self-update
+  doCheck = false;
+  #doCheck = !stdenv.isAarch64 && !stdenv.isDarwin;
 
   postInstall = ''
     pushd $out/bin