diff --git a/__tests__/utils.test.ts b/__tests__/utils.test.ts
index 849e4a19..da5fdec5 100644
--- a/__tests__/utils.test.ts
+++ b/__tests__/utils.test.ts
@@ -56,6 +56,7 @@ describe('Utils tests', () => {
     expect(await utils.readScript('darwin.sh', '7.3', 'darwin')).toBe(darwin);
     expect(await utils.readScript('linux.sh', '7.4', 'linux')).toBe(linux);
     expect(await utils.readScript('linux.sh', '7.3', 'linux')).toBe(linux);
+    expect(await utils.readScript('win32.ps1', '7.4', 'win32')).toBe(win32);
     expect(await utils.readScript('win32.ps1', '7.3', 'win32')).toBe(win32);
     expect(await utils.readScript('fedora.sh', '7.3', 'fedora')).toContain(
       'Platform fedora is not supported'
diff --git a/lib/utils.js b/lib/utils.js
index 28e7f65e..26155909 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -79,24 +79,26 @@ function readScript(filename, version, os_version) {
                             'scripts/pcov.sh'
                         ]);
                         return fs.readFileSync(path.join(__dirname, '../src/scripts/7.4.sh'), 'utf8');
-                    case '7.3':
-                    default:
-                        return fs.readFileSync(path.join(__dirname, '../src/scripts/' + filename), 'utf8');
                 }
+                break;
             case 'linux':
                 switch (version) {
                     case '7.4':
                         yield readFiles74(['scripts/xdebug.sh', 'scripts/pcov.sh']);
-                        return fs.readFileSync(path.join(__dirname, '../src/scripts/' + filename), 'utf8');
-                    case '7.3':
-                    default:
-                        return fs.readFileSync(path.join(__dirname, '../src/scripts/' + filename), 'utf8');
+                        break;
                 }
+                break;
             case 'win32':
-                return fs.readFileSync(path.join(__dirname, '../src/scripts/' + filename), 'utf8');
+                switch (version) {
+                    case '7.4':
+                        yield readFiles74(['ext/php_pcov.dll']);
+                        break;
+                }
+                break;
             default:
                 return yield log('Platform ' + os_version + ' is not supported', os_version, 'error');
         }
+        return fs.readFileSync(path.join(__dirname, '../src/scripts/' + filename), 'utf8');
     });
 }
 exports.readScript = readScript;
@@ -179,7 +181,7 @@ function log(message, os_version, log_type) {
 exports.log = log;
 function getExtensionPrefix(extension) {
     return __awaiter(this, void 0, void 0, function* () {
-        let zend = ['xdebug', 'opcache'];
+        let zend = ['xdebug', 'opcache', 'ioncube', 'eaccelerator'];
         switch (zend.indexOf(extension)) {
             case 0:
             case 1:
diff --git a/package-lock.json b/package-lock.json
index 912c5586..b3b3be0b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "setup-php",
-  "version": "1.3.7",
+  "version": "1.3.8",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index a28afecd..6b8a1712 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "setup-php",
-  "version": "1.3.7",
+  "version": "1.3.8",
   "private": false,
   "description": "Setup php action",
   "main": "lib/setup-php.js",
diff --git a/src/ext/php_pcov.dll b/src/ext/php_pcov.dll
new file mode 100644
index 00000000..a63db08d
Binary files /dev/null and b/src/ext/php_pcov.dll differ
diff --git a/src/scripts/win32.ps1 b/src/scripts/win32.ps1
index 82c60ca1..50658cf6 100644
--- a/src/scripts/win32.ps1
+++ b/src/scripts/win32.ps1
@@ -26,16 +26,18 @@ if($installed -ne $version) {
 }
 
 echo "Housekeeping in PHP.ini, enabling openssl"
+$ext_dir = "C:\tools\php\ext"
 Add-Content C:\tools\php\php.ini "date.timezone = 'UTC'"
-Set-PhpIniKey extension_dir C:\tools\php\ext
+Set-PhpIniKey extension_dir $ext_dir
+
 if($version -lt '7.4') {
   Enable-PhpExtension openssl
 } else {
   Add-Content C:\tools\php\php.ini "extension=php_openssl.dll"
+  Copy-Item "php_pcov.dll" -Destination $ext_dir"\php_pcov.dll"
 }
 
 echo "Installing Composer"
 Install-Composer -Scope System -Path C:\tools\php
-$ext_dir = Get-PhpIniKey extension_dir
 php -v
 composer -V
\ No newline at end of file
diff --git a/src/utils.ts b/src/utils.ts
index 89836723..b2bffb8f 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -70,33 +70,22 @@ export async function readScript(
             path.join(__dirname, '../src/scripts/7.4.sh'),
             'utf8'
           );
-        case '7.3':
-        default:
-          return fs.readFileSync(
-            path.join(__dirname, '../src/scripts/' + filename),
-            'utf8'
-          );
       }
+      break;
     case 'linux':
       switch (version) {
         case '7.4':
           await readFiles74(['scripts/xdebug.sh', 'scripts/pcov.sh']);
-          return fs.readFileSync(
-            path.join(__dirname, '../src/scripts/' + filename),
-            'utf8'
-          );
-        case '7.3':
-        default:
-          return fs.readFileSync(
-            path.join(__dirname, '../src/scripts/' + filename),
-            'utf8'
-          );
+          break;
       }
+      break;
     case 'win32':
-      return fs.readFileSync(
-        path.join(__dirname, '../src/scripts/' + filename),
-        'utf8'
-      );
+      switch (version) {
+        case '7.4':
+          await readFiles74(['ext/php_pcov.dll']);
+          break;
+      }
+      break;
     default:
       return await log(
         'Platform ' + os_version + ' is not supported',
@@ -104,6 +93,11 @@ export async function readScript(
         'error'
       );
   }
+
+  return fs.readFileSync(
+    path.join(__dirname, '../src/scripts/' + filename),
+    'utf8'
+  );
 }
 
 /**
@@ -189,7 +183,7 @@ export async function log(
 }
 
 export async function getExtensionPrefix(extension: string): Promise<string> {
-  let zend: Array<string> = ['xdebug', 'opcache'];
+  let zend: Array<string> = ['xdebug', 'opcache', 'ioncube', 'eaccelerator'];
   switch (zend.indexOf(extension)) {
     case 0:
     case 1: