diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index ac7efd1e..4965e8ac 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -298,7 +298,7 @@ class Extension
         // Run compile check if build target is cli
         // If you need to run some check, overwrite this or add your assert in src/globals/ext-tests/{extension_name}.php
         $sharedExtensions = $this->getSharedExtensionLoadString();
-        [$ret, $out] = shell()->execWithResult(BUILD_BIN_PATH . '/php -n' . $sharedExtensions . ' --ri "' . $this->getDistName() . '"');
+        [$ret] = shell()->execWithResult(BUILD_BIN_PATH . '/php -n' . $sharedExtensions . ' --ri "' . $this->getDistName() . '"');
         if ($ret !== 0) {
             throw new ValidationException(
                 "extension {$this->getName()} failed compile check: php-cli returned {$ret}",
@@ -328,7 +328,7 @@ class Extension
     {
         // Run compile check if build target is cli
         // If you need to run some check, overwrite this or add your assert in src/globals/ext-tests/{extension_name}.php
-        [$ret] = cmd()->execWithResult(BUILD_ROOT_PATH . '/bin/php.exe -n --ri "' . $this->getDistName() . '"', false);
+        [$ret] = cmd()->execWithResult(BUILD_BIN_PATH . '/php.exe -n --ri "' . $this->getDistName() . '"', false);
         if ($ret !== 0) {
             throw new ValidationException("extension {$this->getName()} failed compile check: php-cli returned {$ret}", validation_module: "Extension {$this->getName()} sanity check");
         }
diff --git a/src/SPC/builder/extension/readline.php b/src/SPC/builder/extension/readline.php
index b9afd4f9..b12e8b89 100644
--- a/src/SPC/builder/extension/readline.php
+++ b/src/SPC/builder/extension/readline.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace SPC\builder\extension;
 
 use SPC\builder\Extension;
+use SPC\exception\ValidationException;
 use SPC\store\FileSystem;
 use SPC\util\CustomExt;
 use SPC\util\SPCTarget;
@@ -36,6 +37,15 @@ class readline extends Extension
         parent::buildUnixShared();
     }
 
+    public function runCliCheckUnix(): void
+    {
+        parent::runCliCheckUnix();
+        [$ret, $out] = shell()->execWithResult('printf "exit\n" | ' . BUILD_BIN_PATH . '/php -a');
+        if ($ret !== 0 || !str_contains(implode("\n", $out), 'Interactive shell')) {
+            throw new ValidationException("readline extension failed sanity check. Code: {$ret}, output: " . implode("\n", $out));
+        }
+    }
+
     public static function patchCliLinux(bool $patch): void
     {
         if (SPCTarget::getTargetOS() === 'Linux' && SPCTarget::isStatic() && $patch) {