diff --git a/src/sys/devctl.c b/src/sys/devctl.c
index 8d76f32a..8e6f9d26 100644
--- a/src/sys/devctl.c
+++ b/src/sys/devctl.c
@@ -8,11 +8,14 @@
 
 static NTSTATUS FspFsvolDeviceControl(
     PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
+static NTSTATUS FspFsvolRedirQueryPathEx(
+    PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
 FSP_IOCMPL_DISPATCH FspFsvolDeviceControlComplete;
 FSP_DRIVER_DISPATCH FspDeviceControl;
 
 #ifdef ALLOC_PRAGMA
 #pragma alloc_text(PAGE, FspFsvolDeviceControl)
+#pragma alloc_text(PAGE, FspFsvolRedirQueryPathEx)
 #pragma alloc_text(PAGE, FspFsvolDeviceControlComplete)
 #pragma alloc_text(PAGE, FspDeviceControl)
 #endif
@@ -22,6 +25,22 @@ static NTSTATUS FspFsvolDeviceControl(
 {
     PAGED_CODE();
 
+    NTSTATUS Result = STATUS_INVALID_DEVICE_REQUEST;
+    switch (IrpSp->Parameters.DeviceIoControl.IoControlCode)
+    {
+    case IOCTL_REDIR_QUERY_PATH_EX :
+        Result = FspFsvolRedirQueryPathEx(DeviceObject, Irp, IrpSp);
+        break;
+    }
+
+    return Result;
+}
+
+static NTSTATUS FspFsvolRedirQueryPathEx(
+    PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
+{
+    PAGED_CODE();
+
     return STATUS_INVALID_DEVICE_REQUEST;
 }