--- src/main.cpp
+++ src/main.cpp
@@ -976,7 +976,7 @@
 }
 
 // general OpenGL initialization function
-void InitGL( GLvoid )
+void InitGL( void )
 {
 	//warning:  this must be done BEFORE anything important
 	//or else it will override it
@@ -1150,7 +1150,7 @@
 }
 
 // Here goes our drawing code
-int drawGLScene( GLvoid )
+int drawGLScene( void )
 {
 	glViewport(0,0,SCREEN_WIDTH, SCREEN_HEIGHT);