diff --git a/dlls/krnl386.exe16/dosvm.c b/dlls/krnl386.exe16/dosvm.c
index 3db06498f94..decd57ee3ea 100644
--- a/dlls/krnl386.exe16/dosvm.c
+++ b/dlls/krnl386.exe16/dosvm.c
@@ -55,8 +55,8 @@
 #include "excpt.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(int);
-WINE_DECLARE_DEBUG_CHANNEL(module);
 #ifdef MZ_SUPPORTED
+WINE_DECLARE_DEBUG_CHANNEL(module);
 WINE_DECLARE_DEBUG_CHANNEL(relay);
 #endif