diff --git a/spi25.c b/spi25.c
index 5e4da3f..778a822 100644
--- a/spi25.c
+++ b/spi25.c
@@ -24,6 +24,7 @@
 #include "flash.h"
 #include "flashchips.h"
 #include "chipdrivers.h"
+#include "chipdrivers/spi.h"
 #include "programmer.h"
 #include "spi_command.h"
 #include "spi.h"