diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index 2aac193d52..d02509abdc 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -121,7 +121,7 @@ static VideoBootStrap *bootstrap[] = {
 #if SDL_VIDEO_DRIVER_OFFSCREEN
     &OFFSCREEN_bootstrap,
 #endif
-#if SDL_VIDEO_DRIVER_NGAGE
+#ifdef SDL_VIDEO_DRIVER_NGAGE
     &NGAGE_bootstrap,
 #endif
 #if SDL_VIDEO_DRIVER_DUMMY
diff --git a/src/video/ngage/SDL_ngageevents.cpp b/src/video/ngage/SDL_ngageevents.cpp
index 6e06840d0a..8891469aed 100644
--- a/src/video/ngage/SDL_ngageevents.cpp
+++ b/src/video/ngage/SDL_ngageevents.cpp
@@ -21,7 +21,7 @@
 
 #include "SDL_internal.h"
 
-#if SDL_VIDEO_DRIVER_NGAGE
+#ifdef SDL_VIDEO_DRIVER_NGAGE
 
 /* Being a ngage driver, there's no event stream. We just define stubs for
    most of the API. */
diff --git a/src/video/ngage/SDL_ngageframebuffer.cpp b/src/video/ngage/SDL_ngageframebuffer.cpp
index 918afeeefb..a4a6c0dc72 100644
--- a/src/video/ngage/SDL_ngageframebuffer.cpp
+++ b/src/video/ngage/SDL_ngageframebuffer.cpp
@@ -21,7 +21,7 @@
 
 #include "SDL_internal.h"
 
-#if SDL_VIDEO_DRIVER_NGAGE
+#ifdef SDL_VIDEO_DRIVER_NGAGE
 
 #include <SDL.h>
 
diff --git a/src/video/ngage/SDL_ngagevideo.cpp b/src/video/ngage/SDL_ngagevideo.cpp
index d92f6a60a3..cf896dd0a6 100644
--- a/src/video/ngage/SDL_ngagevideo.cpp
+++ b/src/video/ngage/SDL_ngagevideo.cpp
@@ -25,7 +25,7 @@
 #endif
 #include "SDL_internal.h"
 
-#if SDL_VIDEO_DRIVER_NGAGE
+#ifdef SDL_VIDEO_DRIVER_NGAGE
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/video/ngage/SDL_ngagewindow.cpp b/src/video/ngage/SDL_ngagewindow.cpp
index 20fa4e6022..00a3cb13ff 100644
--- a/src/video/ngage/SDL_ngagewindow.cpp
+++ b/src/video/ngage/SDL_ngagewindow.cpp
@@ -21,7 +21,7 @@
 
 #include "SDL_internal.h"
 
-#if SDL_VIDEO_DRIVER_NGAGE
+#ifdef SDL_VIDEO_DRIVER_NGAGE
 
 #include "../SDL_sysvideo.h"