diff --git a/src/find-graalpy.ts b/src/find-graalpy.ts
index b1373ca6..1f86dbd9 100644
--- a/src/find-graalpy.ts
+++ b/src/find-graalpy.ts
@@ -1,6 +1,11 @@
 import * as path from 'path';
 import * as graalpyInstall from './install-graalpy';
-import {IS_WINDOWS, validateVersion, IGraalPyManifestRelease} from './utils';
+import {
+  IS_WINDOWS,
+  validateVersion,
+  IGraalPyManifestRelease,
+  getBinaryDirectory
+} from './utils';
 
 import * as semver from 'semver';
 import * as core from '@actions/core';
@@ -61,7 +66,7 @@ export async function findGraalPyVersion(
     IS_WINDOWS ? installDir : _binDir,
     `python${binaryExtension}`
   );
-  const pythonLocation = graalpyInstall.getGraalPyBinaryPath(installDir);
+  const pythonLocation = getBinaryDirectory(installDir);
   if (updateEnvironment) {
     core.exportVariable('pythonLocation', installDir);
     // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
diff --git a/src/find-pypy.ts b/src/find-pypy.ts
index a87dc844..9807878a 100644
--- a/src/find-pypy.ts
+++ b/src/find-pypy.ts
@@ -7,7 +7,8 @@ import {
   getPyPyVersionFromPath,
   readExactPyPyVersionFile,
   validatePythonVersionFormatForPyPy,
-  IPyPyManifestRelease
+  IPyPyManifestRelease,
+  getBinaryDirectory
 } from './utils';
 
 import * as semver from 'semver';
@@ -82,7 +83,7 @@ export async function findPyPyVersion(
     IS_WINDOWS ? installDir : _binDir,
     `python${binaryExtension}`
   );
-  const pythonLocation = pypyInstall.getPyPyBinaryPath(installDir);
+  const pythonLocation = getBinaryDirectory(installDir);
   if (updateEnvironment) {
     core.exportVariable('pythonLocation', installDir);
     // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
diff --git a/src/install-graalpy.ts b/src/install-graalpy.ts
index a31a6b2e..0e110b90 100644
--- a/src/install-graalpy.ts
+++ b/src/install-graalpy.ts
@@ -12,7 +12,8 @@ import {
   IGraalPyManifestAsset,
   IGraalPyManifestRelease,
   createSymlinkInFolder,
-  isNightlyKeyword
+  isNightlyKeyword,
+  getBinaryDirectory
 } from './utils';
 
 export async function installGraalPy(
@@ -25,7 +26,7 @@ export async function installGraalPy(
 
   releases = releases ?? (await getAvailableGraalPyVersions());
 
-  if (!releases || releases.length === 0) {
+  if (!releases || !releases.length) {
     throw new Error('No release was found in GraalPy version.json');
   }
 
@@ -74,7 +75,7 @@ export async function installGraalPy(
       );
     }
 
-    const binaryPath = getGraalPyBinaryPath(installDir);
+    const binaryPath = getBinaryDirectory(installDir);
     await createGraalPySymlink(binaryPath, resolvedGraalPyVersion);
     await installPip(binaryPath);
 
@@ -183,7 +184,7 @@ export function findRelease(
     );
   });
 
-  if (filterReleases.length === 0) {
+  if (!filterReleases.length) {
     return null;
   }
 
@@ -209,15 +210,6 @@ export function findRelease(
   };
 }
 
-/** Get GraalPy binary location from the tool of installation directory
- *  - On Linux and macOS, the Python interpreter is in 'bin'.
- *  - On Windows, it is in the installation root.
- */
-export function getGraalPyBinaryPath(installDir: string) {
-  const _binDir = path.join(installDir, 'bin');
-  return IS_WINDOWS ? installDir : _binDir;
-}
-
 export function findAsset(
   item: IGraalPyManifestRelease,
   architecture: string,
@@ -235,7 +227,7 @@ export function findAsset(
       : platform === 'darwin'
       ? 'macos'
       : platform;
-    if (item.assets) {
+    if (item.assets.length) {
     return item.assets.find((file: IGraalPyManifestAsset) => {
       const match_data = file.name.match(
         '.*(macos|linux|windows)-(amd64|aarch64).tar.gz$'
diff --git a/src/install-pypy.ts b/src/install-pypy.ts
index 9fdb6a30..b624f1d7 100644
--- a/src/install-pypy.ts
+++ b/src/install-pypy.ts
@@ -13,7 +13,8 @@ import {
   IPyPyManifestRelease,
   createSymlinkInFolder,
   isNightlyKeyword,
-  writeExactPyPyVersionFile
+  writeExactPyPyVersionFile,
+  getBinaryDirectory
 } from './utils';
 
 export async function installPyPy(
@@ -94,7 +95,7 @@ export async function installPyPy(
 
     writeExactPyPyVersionFile(installDir, resolvedPyPyVersion);
 
-    const binaryPath = getPyPyBinaryPath(installDir);
+    const binaryPath = getBinaryDirectory(installDir);
     await createPyPySymlink(binaryPath, resolvedPythonVersion);
     await installPip(binaryPath);
 
@@ -237,15 +238,6 @@ export function findRelease(
   };
 }
 
-/** Get PyPy binary location from the tool of installation directory
- *  - On Linux and macOS, the Python interpreter is in 'bin'.
- *  - On Windows, it is in the installation root.
- */
-export function getPyPyBinaryPath(installDir: string) {
-  const _binDir = path.join(installDir, 'bin');
-  return IS_WINDOWS ? installDir : _binDir;
-}
-
 export function pypyVersionToSemantic(versionSpec: string) {
   const prereleaseVersion = /(\d+\.\d+\.\d+)((?:a|b|rc))(\d*)/g;
   return versionSpec.replace(prereleaseVersion, '$1-$2.$3');
diff --git a/src/utils.ts b/src/utils.ts
index 7b4356a9..2f4f4555 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -262,3 +262,12 @@ export function getVersionInputFromFile(versionFile: string): string[] {
     return getVersionInputFromPlainFile(versionFile);
   }
 }
+
+/**
+ * Get the directory containing interpreter binary from installation directory of PyPy or GraalPy
+ *  - On Linux and macOS, the Python interpreter is in 'bin'.
+ *  - On Windows, it is in the installation root.
+ */
+export function getBinaryDirectory(installDir: string) {
+  return IS_WINDOWS ? installDir : path.join(installDir, 'bin');
+}