diff --git a/reactos/include/reactos/win32k/ntuser.h b/reactos/include/reactos/win32k/ntuser.h
index 73560d1a32b..3b0563f8e0d 100644
--- a/reactos/include/reactos/win32k/ntuser.h
+++ b/reactos/include/reactos/win32k/ntuser.h
@@ -1043,7 +1043,7 @@ NTAPI
 NtUserEnumDisplayDevices (
   PUNICODE_STRING lpDevice, /* device name */
   DWORD iDevNum, /* display device */
-  PDISPLAY_DEVICE lpDisplayDevice, /* device information */
+  PDISPLAY_DEVICEW lpDisplayDevice, /* device information */
   DWORD dwFlags ); /* reserved */
 
 /*BOOL
diff --git a/reactos/subsystems/win32/win32k/ntuser/ntstubs.c b/reactos/subsystems/win32/win32k/ntuser/ntstubs.c
index 1d1d1a85532..39bef007897 100644
--- a/reactos/subsystems/win32/win32k/ntuser/ntstubs.c
+++ b/reactos/subsystems/win32/win32k/ntuser/ntstubs.c
@@ -160,7 +160,7 @@ STDCALL
 NtUserEnumDisplayDevices (
    PUNICODE_STRING lpDevice, /* device name */
    DWORD iDevNum, /* display device */
-   PDISPLAY_DEVICE lpDisplayDevice, /* device information */
+   PDISPLAY_DEVICEW lpDisplayDevice, /* device information */
    DWORD dwFlags ) /* reserved */
 {
    DPRINT1("NtUserEnumDisplayDevices() is UNIMPLEMENTED!\n");
diff --git a/reactos/subsystems/win32/win32k/ntuser/painting.c b/reactos/subsystems/win32/win32k/ntuser/painting.c
index 54738b5b2a5..4559aa658cc 100644
--- a/reactos/subsystems/win32/win32k/ntuser/painting.c
+++ b/reactos/subsystems/win32/win32k/ntuser/painting.c
@@ -1565,7 +1565,7 @@ UserDrawCaptionText(HDC hDc,
 {
    HFONT hOldFont = NULL, hFont = NULL;
    COLORREF OldTextColor;
-   NONCLIENTMETRICS nclm;
+   NONCLIENTMETRICSW nclm;
    NTSTATUS Status;
    #ifndef NDEBUG
    INT i;