diff --git a/src/Symfony/Component/Console/Input/ArgvInput.php b/src/Symfony/Component/Console/Input/ArgvInput.php
index 4493a5bafc3b9..23430edde6f70 100644
--- a/src/Symfony/Component/Console/Input/ArgvInput.php
+++ b/src/Symfony/Component/Console/Input/ArgvInput.php
@@ -284,6 +284,8 @@ public function hasParameterOption($values)
                 }
 
                 if (0 === strpos($token, '-') && 0 !== strpos($token, '--')) {
+                    $noValue = explode('=', $token);
+                    $token = $noValue[0];
                     $searchableToken = str_replace('-', '', $token);
                     $searchableValue = str_replace('-', '', $value);
                     if ('' !== $searchableToken && '' !== $searchableValue && false !== strpos($searchableToken, $searchableValue)) {
diff --git a/src/Symfony/Component/Console/Tests/Input/ArgvInputTest.php b/src/Symfony/Component/Console/Tests/Input/ArgvInputTest.php
index 85fb533715b62..8ded178bbeb6b 100644
--- a/src/Symfony/Component/Console/Tests/Input/ArgvInputTest.php
+++ b/src/Symfony/Component/Console/Tests/Input/ArgvInputTest.php
@@ -299,6 +299,9 @@ public function testHasParameterOption()
         $input = new ArgvInput(array('cli.php', '-fh'));
         $this->assertTrue($input->hasParameterOption('-fh'), '->hasParameterOption() returns true if the given short option is in the raw input');
 
+        $input = new ArgvInput(array('cli.php', '-e=test'));
+        $this->assertFalse($input->hasParameterOption('-s'), '->hasParameterOption() returns true if the given short option is in the raw input');
+
         $input = new ArgvInput(array('cli.php', '--foo', 'foo'));
         $this->assertTrue($input->hasParameterOption('--foo'), '->hasParameterOption() returns true if the given short option is in the raw input');