diff --git a/include/linux/libata.h b/include/linux/libata.h
index b25ea6ab1be9..a05de2ba7a72 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1121,7 +1121,7 @@ static inline unsigned int ata_tag_valid(unsigned int tag)
 
 static inline unsigned int ata_tag_internal(unsigned int tag)
 {
-	return tag == ATA_MAX_QUEUE - 1;
+	return tag == ATA_TAG_INTERNAL;
 }
 
 /*