diff --git a/w29ee011.c b/w29ee011.c
index 8a62e4c..a570bd6 100644
--- a/w29ee011.c
+++ b/w29ee011.c
@@ -16,6 +16,7 @@
 
 #include <string.h>
 #include "flash.h"
+#include "chipdrivers.h"
 
 /* According to the Winbond W29EE011, W29EE012, W29C010M, W29C011A
  * datasheets this is the only valid probe function for those chips.