diff --git a/src/add-ons/kernel/busses/scsi/usb/transform_procs.c b/src/add-ons/kernel/busses/scsi/usb/transform_procs.c
index 8245977460..702a4ddbd7 100644
--- a/src/add-ons/kernel/busses/scsi/usb/transform_procs.c
+++ b/src/add-ons/kernel/busses/scsi/usb/transform_procs.c
@@ -17,6 +17,8 @@
 #include "settings.h"
 #include "strings.h"
 
+#include <string.h>
+
 #define UFI_COMMAND_LEN		12
 #define ATAPI_COMMAND_LEN	12