diff --git a/lib/installer.js b/lib/installer.js
index d7cbe83..1c5e2f0 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -107,15 +107,11 @@ function extractFile(file, destDir) {
         else if (stats.isDirectory()) {
             throw new Error(`Failed to extract ${file} - it is a directory`);
         }
-        const ext = extName();
-        if ('tar.xz' === ext) {
-            yield tc.extractTar(file, destDir);
-        }
-        else if ('zip' === ext) {
-            yield tc.extractZip(file, destDir);
+        if ('tar.xz' === extName()) {
+            yield tc.extract7z(file, destDir);
         }
         else {
-            yield tc.extract7z(file, destDir);
+            yield tc.extractZip(file, destDir);
         }
     });
 }
diff --git a/src/installer.ts b/src/installer.ts
index 11aa2e3..c29da9d 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -114,13 +114,9 @@ async function extractFile(file: string, destDir: string): Promise<void> {
     throw new Error(`Failed to extract ${file} - it is a directory`);
   }
 
-  const ext = extName();
-
-  if ('tar.xz' === ext) {
-    await tc.extractTar(file, destDir);
-  } else if ('zip' === ext) {
-    await tc.extractZip(file, destDir);
-  } else {
+  if ('tar.xz' === extName()) {
     await tc.extract7z(file, destDir);
+  } else {
+    await tc.extractZip(file, destDir);
   }
 }