diff --git a/reactos/win32ss/gdi/ntgdi/bitmaps.c b/reactos/win32ss/gdi/ntgdi/bitmaps.c
index 0302f128e0f..73b9df48358 100644
--- a/reactos/win32ss/gdi/ntgdi/bitmaps.c
+++ b/reactos/win32ss/gdi/ntgdi/bitmaps.c
@@ -143,7 +143,7 @@ NtGdiCreateBitmap(
     IN OPTIONAL LPBYTE pUnsafeBits)
 {
     HBITMAP hbmp;
-    ULONG cRealBpp, cjWidthBytes, iFormat;
+    ULONG cRealBpp, cjWidthBytes, iFormat, fjBitmap;
     ULONGLONG cjSize;
     PSURFACE psurf;
 
@@ -165,12 +165,15 @@ NtGdiCreateBitmap(
         return NULL;
     }
 
+    /* Allocations larger than PAGE_SIZE go into user mem */
+    fjBitmap = (cjSize > PAGE_SIZE) ? BMF_USERMEM : 0;
+
     /* Allocate the surface (but don't set the bits) */
     psurf = SURFACE_AllocSurface(STYPE_BITMAP,
                                  nWidth,
                                  nHeight,
                                  iFormat,
-                                 0,
+                                 fjBitmap,
                                  0,
                                  NULL);
     if (!psurf)