diff --git a/include/ntfs-3g/endians.h b/include/ntfs-3g/endians.h
index 0604867b..f7eb6c4f 100644
--- a/include/ntfs-3g/endians.h
+++ b/include/ntfs-3g/endians.h
@@ -272,6 +272,14 @@
 #define const_cpu_to_le32(x)	__constant_cpu_to_le32(x)
 #define const_cpu_to_le64(x)	__constant_cpu_to_le64(x)
 
+#define const_sle16_to_cpu(x)	__constant_le16_to_cpu((le16) x)
+#define const_sle32_to_cpu(x)	__constant_le32_to_cpu((le32) x)
+#define const_sle64_to_cpu(x)	__constant_le64_to_cpu((le64) x)
+
+#define const_cpu_to_sle16(x)	__constant_cpu_to_le16((u16) x)
+#define const_cpu_to_sle32(x)	__constant_cpu_to_le32((u32) x)
+#define const_cpu_to_sle64(x)	__constant_cpu_to_le64((u64) x)
+
 #define const_be16_to_cpu(x)	__constant_be16_to_cpu(x)
 #define const_be32_to_cpu(x)	__constant_be32_to_cpu(x)
 #define const_be64_to_cpu(x)	__constant_be64_to_cpu(x)
@@ -280,4 +288,12 @@
 #define const_cpu_to_be32(x)	__constant_cpu_to_be32(x)
 #define const_cpu_to_be64(x)	__constant_cpu_to_be64(x)
 
+#define const_sbe16_to_cpu(x)	__constant_be16_to_cpu((be16) x)
+#define const_sbe32_to_cpu(x)	__constant_be32_to_cpu((be32) x)
+#define const_sbe64_to_cpu(x)	__constant_be64_to_cpu((be64) x)
+
+#define const_cpu_to_sbe16(x)	__constant_cpu_to_be16((u16) x)
+#define const_cpu_to_sbe32(x)	__constant_cpu_to_be32((u32) x)
+#define const_cpu_to_sbe64(x)	__constant_cpu_to_be64((u64) x)
+
 #endif /* defined _NTFS_ENDIANS_H */