diff --git a/source/file_allocation_table.h b/source/file_allocation_table.h
index 560c616..d9c4361 100644
--- a/source/file_allocation_table.h
+++ b/source/file_allocation_table.h
@@ -36,7 +36,7 @@
 #define CLUSTER_EOF_16	0xFFFF
 #define	CLUSTER_EOF		0x0FFFFFFF
 #define CLUSTER_FREE	0x00000000
-#define CLUSTER_ROOT	0x00000000
+#define CLUSTER_ROOT	0x00000000
 #define CLUSTER_FIRST	0x00000002
 #define CLUSTER_ERROR	0xFFFFFFFF