diff --git a/reactos/base/applications/winhelp/lex.yy.c b/reactos/base/applications/winhelp/lex.yy.c
index 0f38be750f1..a95b98a4988 100644
--- a/reactos/base/applications/winhelp/lex.yy.c
+++ b/reactos/base/applications/winhelp/lex.yy.c
@@ -9,7 +9,7 @@
 #define YY_FLEX_MINOR_VERSION 5
 
 #include <stdio.h>
-
+#define WINE_WARN DPRINT
 
 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
 #ifdef c_plusplus
diff --git a/reactos/base/applications/winhelp/winhelp.h b/reactos/base/applications/winhelp/winhelp.h
index 419880b5c5f..b49324c63ae 100644
--- a/reactos/base/applications/winhelp/winhelp.h
+++ b/reactos/base/applications/winhelp/winhelp.h
@@ -33,6 +33,8 @@
 #define BUTTON_CX               6
 #define BUTTON_CY               6
 
+#define WINE_WARN DPRINT
+
 #ifndef RC_INVOKED
 
 #include <stdarg.h>