1 files changed, 2 insertions, 0 deletions
diff --git a/progs/glsl/samplers.c b/progs/glsl/samplers.c
index 3fb8577d5e3..cbb264dad17 100644
--- a/progs/glsl/samplers.c
+++ b/progs/glsl/samplers.c
@@ -39,6 +39,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
 #include "extfuncs.h"
@@ -357,6 +358,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    glutCreateWindow(Demo);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(key);
    glutSpecialFunc(specialkey);