diff --git a/pkgs/servers/ldap/lldap/default.nix b/pkgs/servers/ldap/lldap/default.nix
index d75918936815..ac55ac025d13 100644
--- a/pkgs/servers/ldap/lldap/default.nix
+++ b/pkgs/servers/ldap/lldap/default.nix
@@ -7,6 +7,7 @@
 , nixosTests
 , rustPlatform
 , rustc
+, rustc-wasm32
 , stdenv
 , wasm-bindgen-cli
 , wasm-pack
@@ -15,23 +16,6 @@
 
 let
 
-  # replace with upstream wasm rustc, after resolution of
-  # https://github.com/NixOS/nixpkgs/issues/89426
-  rustc-wasm = (rustc.override {
-    stdenv = stdenv.override {
-      targetPlatform = stdenv.targetPlatform // {
-        parsed = {
-          cpu.name = "wasm32";
-          vendor.name = "unknown";
-          kernel.name = "unknown";
-          abi.name = "unknown";
-        };
-      };
-    };
-  }).overrideAttrs (attrs: {
-    configureFlags = attrs.configureFlags ++ ["--set=build.docs=false"];
-  });
-
   wasm-bindgen-84 = wasm-bindgen-cli.override {
     version = "0.2.84";
     hash = "sha256-0rK+Yx4/Jy44Fw5VwJ3tG243ZsyOIBBehYU54XP/JGk=";
@@ -64,7 +48,7 @@ let
     pname = commonDerivationAttrs.pname + "-frontend";
 
     nativeBuildInputs = [
-      wasm-pack wasm-bindgen-84 binaryen which rustc-wasm rustc-wasm.llvmPackages.lld
+      wasm-pack wasm-bindgen-84 binaryen which rustc-wasm32 rustc-wasm32.llvmPackages.lld
     ];
 
     buildPhase = ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4774c4f1b796..7dc94d9a8634 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -17165,6 +17165,22 @@ with pkgs;
 
   inherit (rustPackages) cargo cargo-auditable cargo-auditable-cargo-wrapper clippy rustc rustPlatform;
 
+  # https://github.com/NixOS/nixpkgs/issues/89426
+  rustc-wasm32 = (rustc.override {
+    stdenv = stdenv.override {
+      targetPlatform = stdenv.targetPlatform // {
+        parsed = {
+          cpu.name = "wasm32";
+          vendor.name = "unknown";
+          kernel.name = "unknown";
+          abi.name = "unknown";
+        };
+      };
+    };
+  }).overrideAttrs (old: {
+    configureFlags = old.configureFlags ++ ["--set=build.docs=false"];
+  });
+
   makeRustPlatform = callPackage ../development/compilers/rust/make-rust-platform.nix { };
 
   buildRustCrate = callPackage ../build-support/rust/build-rust-crate { };