diff --git a/dlls/wow64/struct32.h b/dlls/wow64/struct32.h
index e8b2e22cdcf..23144e9e15a 100644
--- a/dlls/wow64/struct32.h
+++ b/dlls/wow64/struct32.h
@@ -31,4 +31,10 @@ typedef struct
     ULONG SecurityQualityOfService;
 } OBJECT_ATTRIBUTES32;
 
+typedef struct
+{
+    UNICODE_STRING32 ObjectName;
+    UNICODE_STRING32 ObjectTypeName;
+} DIRECTORY_BASIC_INFORMATION32;
+
 #endif /* __WOW64_STRUCT32_H */
diff --git a/dlls/wow64/sync.c b/dlls/wow64/sync.c
index 596e90bc71d..55c0ed08e32 100644
--- a/dlls/wow64/sync.c
+++ b/dlls/wow64/sync.c
@@ -27,6 +27,9 @@
 #include "winnt.h"
 #include "winternl.h"
 #include "wow64_private.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(wow);
 
 
 /**********************************************************************
@@ -52,6 +55,26 @@ NTSTATUS WINAPI wow64_NtClearEvent( UINT *args )
 }
 
 
+/**********************************************************************
+ *           wow64_NtCreateDirectoryObject
+ */
+NTSTATUS WINAPI wow64_NtCreateDirectoryObject( UINT *args )
+{
+    ULONG *handle_ptr = get_ptr( &args );
+    ACCESS_MASK access = get_ulong( &args );
+    OBJECT_ATTRIBUTES32 *attr32 = get_ptr( &args );
+
+    struct object_attr64 attr;
+    HANDLE handle = 0;
+    NTSTATUS status;
+
+    *handle_ptr = 0;
+    status = NtCreateDirectoryObject( &handle, access, objattr_32to64( &attr, attr32 ));
+    put_handle( handle_ptr, handle );
+    return status;
+}
+
+
 /**********************************************************************
  *           wow64_NtCreateEvent
  */
@@ -159,6 +182,26 @@ NTSTATUS WINAPI wow64_NtCreateTimer( UINT *args )
 }
 
 
+/**********************************************************************
+ *           wow64_NtOpenDirectoryObject
+ */
+NTSTATUS WINAPI wow64_NtOpenDirectoryObject( UINT *args )
+{
+    ULONG *handle_ptr = get_ptr( &args );
+    ACCESS_MASK access = get_ulong( &args );
+    OBJECT_ATTRIBUTES32 *attr32 = get_ptr( &args );
+
+    struct object_attr64 attr;
+    HANDLE handle = 0;
+    NTSTATUS status;
+
+    *handle_ptr = 0;
+    status = NtOpenDirectoryObject( &handle, access, objattr_32to64( &attr, attr32 ));
+    put_handle( handle_ptr, handle );
+    return status;
+}
+
+
 /**********************************************************************
  *           wow64_NtOpenEvent
  */
@@ -271,6 +314,43 @@ NTSTATUS WINAPI wow64_NtPulseEvent( UINT *args )
 }
 
 
+/**********************************************************************
+ *           wow64_NtQueryDirectoryObject
+ */
+NTSTATUS WINAPI wow64_NtQueryDirectoryObject( UINT *args )
+{
+    HANDLE handle = get_handle( &args );
+    DIRECTORY_BASIC_INFORMATION32 *info32 = get_ptr( &args );
+    ULONG size32 = get_ulong( &args );
+    BOOLEAN single_entry = get_ulong( &args );
+    BOOLEAN restart = get_ulong( &args );
+    ULONG *context = get_ptr( &args );
+    ULONG *retlen = get_ptr( &args );
+
+    NTSTATUS status;
+    DIRECTORY_BASIC_INFORMATION *info;
+    ULONG size = size32 + sizeof(*info) - sizeof(*info32);
+
+    if (!single_entry) FIXME( "not implemented\n" );
+    info = RtlAllocateHeap( GetProcessHeap(), 0, size );
+    status = NtQueryDirectoryObject( handle, info, size, single_entry, restart, context, NULL );
+    if (!status)
+    {
+        info32->ObjectName.Buffer            = PtrToUlong( info32 + 1 );
+        info32->ObjectName.Length            = info->ObjectName.Length;
+        info32->ObjectName.MaximumLength     = info->ObjectName.MaximumLength;
+        info32->ObjectTypeName.Buffer        = info32->ObjectName.Buffer + info->ObjectName.MaximumLength;
+        info32->ObjectTypeName.Length        = info->ObjectTypeName.Length;
+        info32->ObjectTypeName.MaximumLength = info->ObjectTypeName.MaximumLength;
+        size = info->ObjectName.MaximumLength + info->ObjectTypeName.MaximumLength;
+        memcpy( info32 + 1, info + 1, size );
+        if (retlen) *retlen = sizeof(*info32) + size;
+    }
+    RtlFreeHeap( GetProcessHeap(), 0, info );
+    return status;
+}
+
+
 /**********************************************************************
  *           wow64_NtQueryEvent
  */
diff --git a/dlls/wow64/syscall.h b/dlls/wow64/syscall.h
index db2b386fe24..b64cabd15b5 100644
--- a/dlls/wow64/syscall.h
+++ b/dlls/wow64/syscall.h
@@ -28,6 +28,7 @@
     SYSCALL_ENTRY( NtCancelTimer ) \
     SYSCALL_ENTRY( NtClearEvent ) \
     SYSCALL_ENTRY( NtClose ) \
+    SYSCALL_ENTRY( NtCreateDirectoryObject ) \
     SYSCALL_ENTRY( NtCreateEvent ) \
     SYSCALL_ENTRY( NtCreateKeyedEvent ) \
     SYSCALL_ENTRY( NtCreateMutant ) \
@@ -36,6 +37,7 @@
     SYSCALL_ENTRY( NtDeleteAtom ) \
     SYSCALL_ENTRY( NtFindAtom ) \
     SYSCALL_ENTRY( NtGetCurrentProcessorNumber ) \
+    SYSCALL_ENTRY( NtOpenDirectoryObject ) \
     SYSCALL_ENTRY( NtOpenEvent ) \
     SYSCALL_ENTRY( NtOpenKeyedEvent ) \
     SYSCALL_ENTRY( NtOpenMutant ) \
@@ -44,6 +46,7 @@
     SYSCALL_ENTRY( NtPulseEvent ) \
     SYSCALL_ENTRY( NtQueryDefaultLocale ) \
     SYSCALL_ENTRY( NtQueryDefaultUILanguage ) \
+    SYSCALL_ENTRY( NtQueryDirectoryObject ) \
     SYSCALL_ENTRY( NtQueryEvent ) \
     SYSCALL_ENTRY( NtQueryInformationAtom ) \
     SYSCALL_ENTRY( NtQueryInstallUILanguage ) \