diff --git a/reactos/ntoskrnl/fsrtl/filtrctx.c b/reactos/ntoskrnl/fsrtl/filtrctx.c
index 24d88c45c4e..9d5bdf60c32 100644
--- a/reactos/ntoskrnl/fsrtl/filtrctx.c
+++ b/reactos/ntoskrnl/fsrtl/filtrctx.c
@@ -16,7 +16,7 @@
 
 /*++
  * @name FsRtlIsPagingFile
- * @implemented NT 4.0
+ * @implemented NT 5.2
  *
  *     The FsRtlIsPagingFile routine checks if the FileObject is a Paging File.
  *
@@ -32,8 +32,7 @@ LOGICAL
 NTAPI
 FsRtlIsPagingFile(IN PFILE_OBJECT FileObject)
 {
-    KeBugCheck(FILE_SYSTEM);
-    return FALSE;
+    return MmIsFileObjectAPagingFile(FileObject);
 }
 
 /*
diff --git a/reactos/ntoskrnl/include/internal/mm.h b/reactos/ntoskrnl/include/internal/mm.h
index 7499571f550..3c194f5684d 100644
--- a/reactos/ntoskrnl/include/internal/mm.h
+++ b/reactos/ntoskrnl/include/internal/mm.h
@@ -778,6 +778,10 @@ VOID
 NTAPI
 MmInitPagingFile(VOID);
 
+BOOLEAN
+NTAPI
+MmIsFileObjectAPagingFile(PFILE_OBJECT FileObject);
+
 NTSTATUS
 NTAPI
 MmReadFromSwapPage(
diff --git a/reactos/ntoskrnl/mm/pagefile.c b/reactos/ntoskrnl/mm/pagefile.c
index 2b3274aad67..cfa5d9cc6c5 100644
--- a/reactos/ntoskrnl/mm/pagefile.c
+++ b/reactos/ntoskrnl/mm/pagefile.c
@@ -132,7 +132,7 @@ MmBuildMdlFromPages(PMDL Mdl, PPFN_NUMBER Pages)
 
 BOOLEAN
 NTAPI
-MmIsFileAPagingFile(PFILE_OBJECT FileObject)
+MmIsFileObjectAPagingFile(PFILE_OBJECT FileObject)
 {
     ULONG i;