diff --git a/dll/win32/sti/precomp.h b/dll/win32/sti/precomp.h
index 8c0b0f6342a..d19191eb25f 100644
--- a/dll/win32/sti/precomp.h
+++ b/dll/win32/sti/precomp.h
@@ -1,3 +1,4 @@
+
 #ifndef _STI_PCH_
 #define _STI_PCH_
 
@@ -14,6 +15,5 @@
 #include <sti.h>
 
 #include <wine/debug.h>
-WINE_DEFAULT_DEBUG_CHANNEL(sti);
 
-#endif /* _STI_PCH_ */
+#endif /* !_STI_PCH_ */
diff --git a/dll/win32/sti/sti.c b/dll/win32/sti/sti.c
index 147d9ae3d41..41c94f57538 100644
--- a/dll/win32/sti/sti.c
+++ b/dll/win32/sti/sti.c
@@ -17,11 +17,21 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include "precomp.h"
+#include <stdarg.h>
 
-#include <winreg.h>
+#define COBJMACROS
 
-#include <wine/unicode.h>
+#include "windef.h"
+#include "winbase.h"
+#include "winreg.h"
+#include "winerror.h"
+#include "objbase.h"
+#include "sti.h"
+
+#include "wine/debug.h"
+#include "wine/unicode.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(sti);
 
 static const WCHAR registeredAppsLaunchPath[] = {
     'S','O','F','T','W','A','R','E','\\',
diff --git a/dll/win32/sti/sti_main.c b/dll/win32/sti/sti_main.c
index 291daebab7d..c532ffbd6ac 100644
--- a/dll/win32/sti/sti_main.c
+++ b/dll/win32/sti/sti_main.c
@@ -17,7 +17,22 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include "precomp.h"
+#include <stdarg.h>
+
+#define COBJMACROS
+
+#include "windef.h"
+#include "winbase.h"
+#include "winreg.h"
+#include "winerror.h"
+#include "objbase.h"
+#include "initguid.h"
+#include "wia_lh.h"
+#include "sti.h"
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(sti);
 
 extern HRESULT WINAPI STI_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
 extern BOOL WINAPI STI_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
diff --git a/media/doc/README.WINE b/media/doc/README.WINE
index 550dadc687e..d0c2a4297e4 100644
--- a/media/doc/README.WINE
+++ b/media/doc/README.WINE
@@ -180,7 +180,7 @@ reactos/dll/win32/snmpapi             # Synced to WineStaging-3.3
 reactos/dll/win32/softpub             # Synced to WineStaging-2.9
 reactos/dll/win32/stdole2.tlb         # Synced to WineStaging-3.3
 reactos/dll/win32/stdole32.tlb        # Synced to WineStaging-3.3
-reactos/dll/win32/sti                 # Synced to WineStaging-2.9
+reactos/dll/win32/sti                 # Synced to WineStaging-3.3
 reactos/dll/win32/sxs                 # Synced to WineStaging-2.16
 reactos/dll/win32/t2embed             # Synced to WineStaging-2.9
 reactos/dll/win32/tapi32              # Synced to WineStaging-2.9