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diff --git a/hacks/glx/extrusion-twistoid.c b/hacks/glx/extrusion-twistoid.c
index 2de65370..4f388d01 100644
--- a/hacks/glx/extrusion-twistoid.c
+++ b/hacks/glx/extrusion-twistoid.c
@@ -12,11 +12,19 @@
  */
 
 /* required include files */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <math.h>
 #include <stdlib.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
+#ifdef HAVE_GLE3
+#include <GL/gle.h>
+#else
 #include <GL/tube.h>
+#endif
 
 /* Some <math.h> files do not define M_PI... */
 #ifndef M_PI