diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 5c0e979..9f8f80a 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -203,6 +203,7 @@
 
 /*
  *  DEVICE TYPES
+ *  Please keep them in 0x%02x format for $MODALIAS to work
  */
 
 #define TYPE_DISK           0x00
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index b05cd3b..2f3c5b8b 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -358,4 +358,9 @@
 		return 0;
 	return sdev->inquiry[56] & 0x02;
 }
+
+#define MODULE_ALIAS_SCSI_DEVICE(type) \
+	MODULE_ALIAS("scsi:t-" __stringify(type) "*")
+#define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x"
+
 #endif /* _SCSI_SCSI_DEVICE_H */