diff --git a/setup-tinytex/lib/setup-tinytex.js b/setup-tinytex/lib/setup-tinytex.js
index 4392cf8ca..aba978215 100644
--- a/setup-tinytex/lib/setup-tinytex.js
+++ b/setup-tinytex/lib/setup-tinytex.js
@@ -150,7 +150,12 @@ function installTinyTeXWindows() {
         catch (error) {
             throw `Failed to install TinyTeX: ${error}`;
         }
-        core.addPath(path.join(process.env["APPDATA"] || "C:\\", "TinyTeX", "bin", "win32"));
+        const binDir = "win32";
+        let winBin = path.join(process.env["APPDATA"] || "C:\\", "TinyTeX", "bin");
+        winBin = fs.existsSync(path.join(winBin, binDir)) ?
+            path.join(winBin, binDir) :
+            path.join(winBin, "windows");
+        core.addPath(winBin);
     });
 }
 run();
diff --git a/setup-tinytex/src/setup-tinytex.ts b/setup-tinytex/src/setup-tinytex.ts
index 471813039..e1fd974e4 100644
--- a/setup-tinytex/src/setup-tinytex.ts
+++ b/setup-tinytex/src/setup-tinytex.ts
@@ -120,9 +120,16 @@ async function installTinyTeXWindows() {
     throw `Failed to install TinyTeX: ${error}`;
   }
 
-  core.addPath(
-    path.join(process.env["APPDATA"] || "C:\\", "TinyTeX", "bin", "win32")
-  );
+  const binDir = "win32"
+
+  let winBin = path.join(process.env["APPDATA"] || "C:\\", "TinyTeX", "bin")
+
+  winBin = fs.existsSync(path.join(winBin, binDir)) ?
+    path.join(winBin, binDir) :
+    path.join(winBin, "windows")
+
+  core.addPath(winBin);
+
 }
 
 run();