diff --git a/src/Composer/Util/Platform.php b/src/Composer/Util/Platform.php
index 7adcf00a69f6..8f8ed2682cb0 100644
--- a/src/Composer/Util/Platform.php
+++ b/src/Composer/Util/Platform.php
@@ -108,7 +108,12 @@ public static function isWindowsSubsystemForLinux()
                 return self::$isWindowsSubsystemForLinux = false;
             }
 
-            if (!ini_get('open_basedir') && is_readable('/proc/version') && false !== stripos(Silencer::call('file_get_contents', '/proc/version'), 'microsoft')) {
+            if (
+                !ini_get('open_basedir')
+                && is_readable('/proc/version')
+                && false !== stripos(Silencer::call('file_get_contents', '/proc/version'), 'microsoft')
+                && !file_exists('/.dockerenv') // docker running inside WSL should not be seen as WSL
+            ) {
                 return self::$isWindowsSubsystemForLinux = true;
             }
         }