diff --git a/Makefile b/Makefile
index 5411712..0af89b2 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ FILES = src/IDirect3D/IDirect3D.c \
         src/IDirectDraw/IDirectDrawPalette.c \
         src/IDirectDraw/IDirectDrawClipper.c \
         src/IDirectDraw/IDirectDrawSurface.c \
+        src/IDirectDraw/IDirectDrawGammaControl.c \
         src/IAMMediaStream/IAMMediaStream.c \
         src/dd.c \
         src/ddpalette.c \
diff --git a/ddraw.rc b/ddraw.rc
index 00f495c..90a9224 100644
--- a/ddraw.rc
+++ b/ddraw.rc
@@ -21,7 +21,7 @@ PRODUCTVERSION VERSION
             VALUE "FileDescription", "DirectDraw replacement"
             VALUE "FileVersion", VERSION_STRING
             VALUE "InternalName", "ddraw"
-            VALUE "LegalCopyright", "Copyright (c) 2010-2020"
+            VALUE "LegalCopyright", "Copyright (c) 2010-2021"
             VALUE "LegalTrademarks", ""
             VALUE "OriginalFileName", "ddraw.dll"
             VALUE "ProductName", "cnc-ddraw"
diff --git a/src/debug.c b/src/debug.c
index ff43323..f78459c 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -1,5 +1,5 @@
 #include <windows.h>
-#include <dbghelp.h>>
+#include <dbghelp.h>
 #include <stdio.h>
 #include "dd.h"
 #include "ddraw.h"