diff --git a/src/platform/visualc/config.h b/src/platform/visualc/config.h
index fcd1b404..42aeeeb0 100644
--- a/src/platform/visualc/config.h
+++ b/src/platform/visualc/config.h
@@ -8,6 +8,9 @@
 /* Define to 1 to enable screenshots, requires libpng */
 #define C_SSHOT 1
 
+/* Define to 1 to use opengl display output support */
+#define C_OPENGL 1
+
 /* Define to 1 to enable internal modem support, requires SDL_net */
 #define C_MODEM 1