diff --git a/flake.nix b/flake.nix
index eba0432ee..4febca246 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,7 @@
         llvm-tools-irrt = pkgs.runCommandNoCC "llvm-tools-irrt" {}
           ''
           mkdir -p $out/bin
-          ln -s ${pkgs.llvmPackages_14.clang-unwrapped}/bin/clang++ $out/bin/clang++-irrt
+          ln -s ${pkgs.llvmPackages_14.clang-unwrapped}/bin/clang $out/bin/clang-irrt
           ln -s ${pkgs.llvmPackages_14.llvm.out}/bin/llvm-as $out/bin/llvm-as-irrt
           '';
         nac3artiq = pkgs.python3Packages.toPythonModule (
diff --git a/nac3core/build.rs b/nac3core/build.rs
index 49edfad43..345c9046e 100644
--- a/nac3core/build.rs
+++ b/nac3core/build.rs
@@ -17,6 +17,7 @@ fn main() {
     let flags: &[&str] = &[
         "--target=wasm32",
         FILE,
+        "-x", "c++",
         "-fno-discard-value-names",
         "-fno-exceptions",
         "-fno-rtti",
@@ -37,7 +38,7 @@ fn main() {
     let out_dir = env::var("OUT_DIR").unwrap();
     let out_path = Path::new(&out_dir);
 
-    let output = Command::new("clang++-irrt")
+    let output = Command::new("clang-irrt")
         .args(flags)
         .output()
         .map(|o| {
diff --git a/nix/windows/default.nix b/nix/windows/default.nix
index 45554eab8..c7709fd65 100644
--- a/nix/windows/default.nix
+++ b/nix/windows/default.nix
@@ -80,7 +80,7 @@ in rec {
   llvm-tools-irrt = pkgs.runCommandNoCC "llvm-tools-irrt" {}
     ''
     mkdir -p $out/bin
-    ln -s ${llvm-nac3}/bin/clang++.exe $out/bin/clang++-irrt.exe
+    ln -s ${llvm-nac3}/bin/clang.exe $out/bin/clang-irrt.exe
     ln -s ${llvm-nac3}/bin/llvm-as.exe $out/bin/llvm-as-irrt.exe
     '';
   nac3artiq = pkgs.rustPlatform.buildRustPackage {