diff --git a/src/Symfony/Component/Console/Output/StreamOutput.php b/src/Symfony/Component/Console/Output/StreamOutput.php
index c3b87066a6..6a8305c709 100644
--- a/src/Symfony/Component/Console/Output/StreamOutput.php
+++ b/src/Symfony/Component/Console/Output/StreamOutput.php
@@ -97,7 +97,7 @@ class StreamOutput extends Output
     protected function hasColorSupport()
     {
         // @codeCoverageIgnoreStart
-        if (DIRECTORY_SEPARATOR == '\\') {
+        if (DIRECTORY_SEPARATOR === '\\') {
             return false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI');
         }