1 files changed, 2 insertions, 1 deletions
diff --git a/progs/tests/zcomp.c b/progs/tests/zcomp.c
index b53079d07fc..15e35f17b09 100644
--- a/progs/tests/zcomp.c
+++ b/progs/tests/zcomp.c
@@ -2,10 +2,10 @@
  * Test Z compositing with glDrawPixels(GL_DEPTH_COMPONENT) and stencil test.
  */
 
-#define GL_GLEXT_PROTOTYPES
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/glut.h>
 #include "../util/showbuffer.c"
 
@@ -211,6 +211,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(Width, Height);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
    Win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);