diff --git a/ntoskrnl/mm/pagefile.c b/ntoskrnl/mm/pagefile.c
index b7d8c83e54e..37870520998 100644
--- a/ntoskrnl/mm/pagefile.c
+++ b/ntoskrnl/mm/pagefile.c
@@ -189,7 +189,7 @@ NTSTATUS
 NTAPI
 MmReadFromSwapPage(SWAPENTRY SwapEntry, PFN_NUMBER Page)
 {
-    return MiReadPageFile(Page, FILE_FROM_ENTRY(SwapEntry), OFFSET_FROM_ENTRY(SwapEntry) - 1);
+    return MiReadPageFile(Page, FILE_FROM_ENTRY(SwapEntry), OFFSET_FROM_ENTRY(SwapEntry));
 }
 
 NTSTATUS
@@ -215,6 +215,9 @@ MiReadPageFile(
         return(STATUS_UNSUCCESSFUL);
     }
 
+    /* Normalize offset. */
+    PageFileOffset--;
+
     ASSERT(PageFileIndex < MAX_PAGING_FILES);
 
     PagingFile = MmPagingFile[PageFileIndex];