diff --git a/kernel/trunk/fs/ntfs.inc b/kernel/trunk/fs/ntfs.inc
index 947e02b54c..264e3f11d0 100644
--- a/kernel/trunk/fs/ntfs.inc
+++ b/kernel/trunk/fs/ntfs.inc
@@ -3479,6 +3479,15 @@ ntfs_WriteFile:
         add     eax, [ebx+12]
         adc     edx, 0
         mov     [edi+fileRealSize], eax
+        cmp     edx, [edi+fileRealSize+4]
+        jc      @f
+        jnz     .resize
+        cmp     [edi+fileRealSize], eax
+        jnc     @f
+.resize:
+        mov     [edi+fileRealSize], eax
+        mov     [edi+fileRealSize+4], edx
+@@:
         mov     [edi+fileRealSize+4], edx
         push    edx eax ebx
         call    ntfsGetTime