diff --git a/src/snapshot_installer.ts b/src/snapshot_installer.ts
index 39c5408..a70f1d3 100644
--- a/src/snapshot_installer.ts
+++ b/src/snapshot_installer.ts
@@ -14,7 +14,8 @@ export class SnapshotInstaller implements Installer {
   ): Promise<InstallResult | undefined> {
     const root = await cache.find("chromium", version);
     if (root) {
-      return { root, bin: "chrome" };
+      const bin = this.platformChromeBin();
+      return { root, bin };
     }
   }
 
@@ -40,16 +41,7 @@ export class SnapshotInstaller implements Installer {
           return path.join(extPath, "chrome-win");
       }
     })();
-    const bin = (() => {
-      switch (this.platform.os) {
-        case OS.DARWIN:
-          return "Chromium.app/Contents/MacOS/Chromium";
-        case OS.LINUX:
-          return "chrome";
-        case OS.WINDOWS:
-          return "chrome.exe";
-      }
-    })();
+    const bin = this.platformChromeBin();
 
     root = await cache.cacheDir(root, "chromium", version);
     core.info(`Successfully Installed chromium to ${root}`);
@@ -104,4 +96,15 @@ export class SnapshotInstaller implements Installer {
 
     return { root, bin };
   }
+
+  platformChromeBin = () => {
+    switch (this.platform.os) {
+      case OS.DARWIN:
+        return "Chromium.app/Contents/MacOS/Chromium";
+      case OS.LINUX:
+        return "chrome";
+      case OS.WINDOWS:
+        return "chrome.exe";
+    }
+  }
 }