1 files changed, 3 insertions, 1 deletions
diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
index 1e99d5b6ab..57fd2cdbbd 100644
--- a/progs/trivial/vp-tri-cb-tex.c
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -5,7 +5,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <math.h>
-#define GL_GLEXT_PROTOTYPES
+#include <GL/glew.h>
 #include <GL/glut.h>
 
 
@@ -179,6 +179,8 @@ int main(int argc, char **argv)
 	exit(1);
     }
 
+    glewInit();
+
     Init();
 
     glutReshapeFunc(Reshape);