diff --git a/drivers/filesystems/fastfat/fcb.c b/drivers/filesystems/fastfat/fcb.c
index a791c27a40..2becb75c22 100644
--- a/drivers/filesystems/fastfat/fcb.c
+++ b/drivers/filesystems/fastfat/fcb.c
@@ -348,6 +348,8 @@ _vfatReleaseFCB(
 )
 {
     PVFATFCB tmpFcb;
+    ULONG RefCount;
+    PFILE_OBJECT tmpFileObject;
 
 #ifdef KDBG
     if (DebugFile.Buffer != NULL && FsRtlIsNameInExpression(&DebugFile, &pFCB->LongNameU, FALSE, NULL))
@@ -363,8 +365,6 @@ _vfatReleaseFCB(
 
     while (pFCB)
     {
-        ULONG RefCount;
-
         ASSERT(!BooleanFlagOn(pFCB->Flags, FCB_IS_FAT));
         ASSERT(pFCB != pVCB->VolumeFcb && !BooleanFlagOn(pFCB->Flags, FCB_IS_VOLUME));
         ASSERT(pFCB->RefCount > 0);
@@ -372,13 +372,12 @@ _vfatReleaseFCB(
 
         if (RefCount == 1 && BooleanFlagOn(pFCB->Flags, FCB_CACHE_INITIALIZED))
         {
-            PFILE_OBJECT tmpFileObject;
+            ClearFlag(pFCB->Flags, FCB_CACHE_INITIALIZED);
             tmpFileObject = pFCB->FileObject;
-
             pFCB->FileObject = NULL;
             CcUninitializeCacheMap(tmpFileObject, NULL, NULL);
-            ClearFlag(pFCB->Flags, FCB_CACHE_INITIALIZED);
             ObDereferenceObject(tmpFileObject);
+            break;
         }
 
         if (RefCount == 0)
@@ -387,12 +386,12 @@ _vfatReleaseFCB(
             tmpFcb = pFCB->parentFcb;
             vfatDelFCBFromTable(pVCB, pFCB);
             vfatDestroyFCB(pFCB);
+            pFCB = tmpFcb;
         }
         else
         {
-            tmpFcb = NULL;
+            break;
         }
-        pFCB = tmpFcb;
     }
 }