1 files changed, 2 insertions, 0 deletions
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
index bbf58af055d..724f15e1a38 100644
--- a/progs/glsl/multitex.c
+++ b/progs/glsl/multitex.c
@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
 #include "extfuncs.h"
@@ -334,6 +335,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    glutCreateWindow(Demo);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(key);
    glutSpecialFunc(specialkey);