diff --git a/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.cpp b/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.cpp
index a8162f71..cab33b71 100644
--- a/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.cpp
+++ b/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.cpp
@@ -134,13 +134,13 @@ void CSandBox::SetBoxPaths(const QString& FilePath, const QString& RegPath, cons
 	m_IpcPath = IpcPath;
 }
 
-SB_STATUS CSandBox::RunStart(const QString& Command, bool Elevated)
+SB_STATUS CSandBox::RunStart(const QString& Command, bool Elevated, const QString& WorkingDir)
 {
 #ifdef _DEBUG
 	if ((QGuiApplication::queryKeyboardModifiers() & Qt::ControlModifier) != 0)
 		return RunSandboxed(Command);
 #endif
-	return m_pAPI->RunStart(m_Name, Command, Elevated);
+	return m_pAPI->RunStart(m_Name, Command, Elevated, WorkingDir);
 }
 
 SB_STATUS CSandBox::RunSandboxed(const QString& Command)
diff --git a/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.h b/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.h
index 47f21335..0299ef8e 100644
--- a/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.h
+++ b/SandboxiePlus/QSbieAPI/Sandboxie/SandBox.h
@@ -51,7 +51,7 @@ public:
 
 	virtual int						GetActiveProcessCount() const { return m_ActiveProcessCount; }
 
-	virtual SB_STATUS				RunStart(const QString& Command, bool Elevated = false);
+	virtual SB_STATUS				RunStart(const QString& Command, bool Elevated = false, const QString& WorkingDir = QString());
 	virtual SB_STATUS				RunSandboxed(const QString& Command);
 	virtual SB_STATUS				TerminateAll();
 
@@ -103,4 +103,4 @@ protected:
 };
 
 typedef QSharedPointer<CSandBox> CSandBoxPtr;
-typedef QWeakPointer<CSandBox> CSandBoxRef;
\ No newline at end of file
+typedef QWeakPointer<CSandBox> CSandBoxRef;