diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index e08cf83..2399844 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -721,7 +721,7 @@
 				goto getit;
 
 			if (CHECK_CLUST(newclust, mydata->fatsize)) {
-				debug("curclust: 0x%x\n", newclust);
+				debug("newclust: 0x%x\n", newclust);
 				debug("Invalid FAT entry\n");
 				return 0;
 			}
@@ -754,8 +754,8 @@
 		filesize -= actsize;
 		buffer += actsize;
 
-		if (CHECK_CLUST(curclust, mydata->fatsize)) {
-			debug("curclust: 0x%x\n", curclust);
+		if (CHECK_CLUST(newclust, mydata->fatsize)) {
+			debug("newclust: 0x%x\n", newclust);
 			debug("Invalid FAT entry\n");
 			return 0;
 		}