diff --git a/src/Method/ScriptExecutionContext.php b/src/Method/ScriptExecutionContext.php
index 823b5dfe..076ad5bb 100644
--- a/src/Method/ScriptExecutionContext.php
+++ b/src/Method/ScriptExecutionContext.php
@@ -119,7 +119,7 @@ public function enter(ShellProviderInterface $shell): ShellProviderInterface
                 break;
 
             case self::DOCKER_IMAGE:
-                $working_dir = realpath($this->workingDir);
+                $working_dir = $shell->realPath($this->workingDir);
                 if (!$working_dir) {
                     throw new \RuntimeException(sprintf('Can\'t resolve working dir %s!', $this->workingDir));
                 }
@@ -140,7 +140,7 @@ public function enter(ShellProviderInterface $shell): ShellProviderInterface
                         sprintf('%d:%d', posix_getuid(), posix_getgid())
                     ),
                     '-v',
-                    sprintf('%s:/app', realpath($this->workingDir)),
+                    sprintf('%s:/app', $working_dir),
                 ];
                 if (!is_null($entrypoint = $this->getArgument('entryPoint'))) {
                     $cmd[] = sprintf('--entrypoint="%s"', $entrypoint);
diff --git a/src/Method/YarnMethod.php b/src/Method/YarnMethod.php
index dc4b22ad..f744d085 100644
--- a/src/Method/YarnMethod.php
+++ b/src/Method/YarnMethod.php
@@ -48,7 +48,7 @@ protected function prepareCommand(HostConfig $host_config, TaskContextInterface
     public function resetPrepare(HostConfig $host_config, TaskContextInterface $context)
     {
         $this->runCommand($host_config, $context, 'install');
-        $this->runCommand($host_config, $context, $host_config->get('yarn.buildCommand'));
+        $this->runCommand($host_config, $context, $host_config->getProperty('yarn.buildCommand'));
     }
 
     public function installPrepare(HostConfig $host_config, TaskContextInterface $context)
diff --git a/src/ShellProvider/BaseShellProvider.php b/src/ShellProvider/BaseShellProvider.php
index b48c629c..00d006e5 100644
--- a/src/ShellProvider/BaseShellProvider.php
+++ b/src/ShellProvider/BaseShellProvider.php
@@ -292,8 +292,8 @@ public function putFileContents($filename, $data, TaskContextInterface $context)
         return $this->fileOperationsHandler->putFileContents($filename, $data, $context);
     }
 
-    public function realPath($filename, TaskContextInterface $context)
+    public function realPath($filename)
     {
-        return $this->fileOperationsHandler->realPath($filename, $context);
+        return $this->fileOperationsHandler->realPath($filename);
     }
 }
diff --git a/src/ShellProvider/DeferredFileOperations.php b/src/ShellProvider/DeferredFileOperations.php
index 10fc1c64..ef59792b 100644
--- a/src/ShellProvider/DeferredFileOperations.php
+++ b/src/ShellProvider/DeferredFileOperations.php
@@ -43,7 +43,7 @@ public function putFileContents($filename, $data, TaskContextInterface $context)
         return $result;
     }
 
-    public function realPath($filename, $context)
+    public function realPath($filename)
     {
         $result = $this->shell->run(sprintf('realpath %s', $filename), true, false);
         if ($result->failed() || count($result->getOutput()) < 1) {
diff --git a/src/ShellProvider/FileOperationsInterface.php b/src/ShellProvider/FileOperationsInterface.php
index a9b30718..558bae11 100644
--- a/src/ShellProvider/FileOperationsInterface.php
+++ b/src/ShellProvider/FileOperationsInterface.php
@@ -8,5 +8,5 @@ interface FileOperationsInterface
 {
     public function getFileContents($filename, TaskContextInterface $context);
     public function putFileContents($filename, $data, TaskContextInterface $context);
-    public function realPath($filename, $context);
+    public function realPath($filename);
 }
diff --git a/src/ShellProvider/LocalFileOperations.php b/src/ShellProvider/LocalFileOperations.php
index 61b1dc26..1b10f03c 100644
--- a/src/ShellProvider/LocalFileOperations.php
+++ b/src/ShellProvider/LocalFileOperations.php
@@ -17,7 +17,7 @@ public function putFileContents($filename, $data, TaskContextInterface $context)
         return file_put_contents($filename, $data);
     }
 
-    public function realPath($filename, $context)
+    public function realPath($filename)
     {
         return realpath($filename);
     }
diff --git a/src/ShellProvider/NoopFileOperations.php b/src/ShellProvider/NoopFileOperations.php
index 0240c03d..22c9931f 100644
--- a/src/ShellProvider/NoopFileOperations.php
+++ b/src/ShellProvider/NoopFileOperations.php
@@ -18,7 +18,7 @@ public function putFileContents($filename, $data, TaskContextInterface $context)
         return false;
     }
 
-    public function realPath($filename, $context)
+    public function realPath($filename)
     {
         return $filename;
     }
diff --git a/src/ShellProvider/ShellProviderInterface.php b/src/ShellProvider/ShellProviderInterface.php
index 35247369..1b9ea94a 100644
--- a/src/ShellProvider/ShellProviderInterface.php
+++ b/src/ShellProvider/ShellProviderInterface.php
@@ -108,5 +108,5 @@ public function getFileContents($filename, TaskContextInterface $context);
 
     public function putFileContents($filename, $data, TaskContextInterface $context);
 
-    public function realPath($filename, TaskContextInterface $context);
+    public function realPath($filename);
 }
diff --git a/src/ShellProvider/UnsupportedFileOperations.php b/src/ShellProvider/UnsupportedFileOperations.php
index 78303492..1aa3a577 100644
--- a/src/ShellProvider/UnsupportedFileOperations.php
+++ b/src/ShellProvider/UnsupportedFileOperations.php
@@ -17,7 +17,7 @@ public function putFileContents($filename, $data, TaskContextInterface $context)
         throw new \RuntimeException('putFileContents not supported in this context!');
     }
 
-    public function realPath($filename, $context)
+    public function realPath($filename)
     {
         throw new \RuntimeException('realPath not supported in this context!');
     }