diff --git a/source/arm9/dev.c b/source/arm9/dev.c
index 5ff72d0..f435b49 100644
--- a/source/arm9/dev.c
+++ b/source/arm9/dev.c
@@ -285,7 +285,7 @@
 	if(!dev_dnand.dev.initialized) return false;
 
 	AES_ctx *ctx;
-	nand_partition_struct *partition = find_partition(offset>>9, size>>9);
+	nand_partition_struct *partition = find_partition(offset, size);
 
 
 	if(!partition) return false;