diff --git a/src/drivers/siemens/nc_fpga/nc_fpga.c b/src/drivers/siemens/nc_fpga/nc_fpga.c
index 846c870..01b4f53 100644
--- a/src/drivers/siemens/nc_fpga/nc_fpga.c
+++ b/src/drivers/siemens/nc_fpga/nc_fpga.c
@@ -19,6 +19,7 @@
 #include <device/pci_ops.h>
 #include <device/pci_def.h>
 #include <string.h>
+#include <device/mmio.h>
 #include <delay.h>
 #include <hwilib.h>
 #include <bootstate.h>