diff --git a/drivers/filesystems/fastfat_new/fatdata.c b/drivers/filesystems/fastfat_new/fatdata.c
index 1a7ead0cb2..257adefcdd 100644
--- a/drivers/filesystems/fastfat_new/fatdata.c
+++ b/drivers/filesystems/fastfat_new/fatdata.c
@@ -131,7 +131,7 @@ LOGICAL FatDiskAccountingEnabled = FALSE;
 
 #ifdef FASTFATDBG
 
-LONG FatDebugTraceLevel = 0x00000009;
+LONG FatDebugTraceLevel = 0x00000009 | DEBUG_TRACE_NAMESUP;
 LONG FatDebugTraceIndent = 0;
 
 ULONG FatFsdEntryCount = 0;
diff --git a/drivers/filesystems/fastfat_new/fatprocs.h b/drivers/filesystems/fastfat_new/fatprocs.h
index f89f2325be..db4704023c 100644
--- a/drivers/filesystems/fastfat_new/fatprocs.h
+++ b/drivers/filesystems/fastfat_new/fatprocs.h
@@ -17,6 +17,8 @@ Abstract:
 #ifndef _FATPROCS_
 #define _FATPROCS_
 
+#define FASTFATDBG 1
+
 #ifdef _MSC_VER
 #pragma warning( disable: 4127 ) // conditional expression is constant