diff --git a/SConstruct b/SConstruct
index 6fdd701..41b9d1c 100644
--- a/SConstruct
+++ b/SConstruct
@@ -30,7 +30,7 @@ if platform == 'PLATFORM_WINDOWS':
 if platform == 'PLATFORM_LINUX':
     env.Append(LIBS = ['GL', 'GLU'])
 
-env.Append(CPPFLAGS = ['-D'+platform, '-I.'])
+env.Append(CPPFLAGS = ['-D'+platform, '-I.', '-DGL_GLEXT_PROTOTYPES'])
 env.Append(LIBS = ['SDL_image', 'SDL_sound', 'vorbisfile'])
 env.Append(CCFLAGS = ['-O2', '-Wall'])
 if DEBUG: