diff --git a/src/mesa/drivers/dri/tdfx/tdfx_screen.c b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
index 35793974035..72e8d126773 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_screen.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
@@ -39,6 +39,7 @@
 #include "tdfx_lock.h"
 #include "tdfx_vb.h"
 #include "tdfx_tris.h"
+#include "utils.h"
 
 
 #ifdef DEBUG_LOCKING