diff --git a/reactos/subsys/system/explorer/winefile/makefile b/reactos/subsys/system/explorer/winefile/makefile
index 13c45b79072..f749681f21f 100644
--- a/reactos/subsys/system/explorer/winefile/makefile
+++ b/reactos/subsys/system/explorer/winefile/makefile
@@ -12,9 +12,9 @@ TARGET_APPTYPE = windows
 
 TARGET_NAME = explorer
 
-TARGET_CFLAGS = -fexceptions -O2 -DNDEBUG -DWIN32 -D_ROS_ -W
+TARGET_CFLAGS = -fexceptions -O2 -DNDEBUG -DWIN32 -D_ROS_ -W -D_WIN32_IE=0x0501 -D_WIN32_WINNT=0x0501
 
-TARGET_RCFLAGS = -DNDEBUG -DWIN32 -D_ROS_
+TARGET_RCFLAGS = -DNDEBUG -DWIN32 -D_ROS_ -D_WIN32_IE=0x0501 -D_WIN32_WINNT=0x0501
 
 ifdef UNICODE
 TARGET_CFLAGS += -DUNICODE
diff --git a/reactos/subsys/system/explorer/winefile/winefile.h b/reactos/subsys/system/explorer/winefile/winefile.h
index c916f00c6e2..99919859d5c 100644
--- a/reactos/subsys/system/explorer/winefile/winefile.h
+++ b/reactos/subsys/system/explorer/winefile/winefile.h
@@ -60,6 +60,10 @@
 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED  0x00002000
 #endif
 
+#ifndef BTNS_BUTTON
+#define BTNS_BUTTON TBSTYLE_BUTTON
+#endif
+
 
 #ifdef	_DEBUG
 #define	ASSERT(x)	{if (!(x)) DebugBreak();}