diff --git a/payloads/libpayload/arch/arm64/mmu.c b/payloads/libpayload/arch/arm64/mmu.c
index adbee0f4b8..204412efd5 100644
--- a/payloads/libpayload/arch/arm64/mmu.c
+++ b/payloads/libpayload/arch/arm64/mmu.c
@@ -93,6 +93,7 @@ static uint64_t get_block_attr(unsigned long tag)
 	switch (tag) {
 
 	case TYPE_NORMAL_MEM:
+		attr |= BLOCK_SH_INNER_SHAREABLE;
 		attr |= (BLOCK_INDEX_MEM_NORMAL << BLOCK_INDEX_SHIFT);
 		break;
 	case TYPE_DEV_MEM:
diff --git a/payloads/libpayload/include/arm64/arch/mmu.h b/payloads/libpayload/include/arm64/arch/mmu.h
index 52b538ed67..e241d7593f 100644
--- a/payloads/libpayload/include/arm64/arch/mmu.h
+++ b/payloads/libpayload/include/arm64/arch/mmu.h
@@ -80,6 +80,12 @@ extern char _start[], _end[];
 
 #define BLOCK_ACCESS               (1 << 10)
 
+#define BLOCK_SH_SHIFT                 (8)
+#define BLOCK_SH_NON_SHAREABLE         (0 << BLOCK_SH_SHIFT)
+#define BLOCK_SH_UNPREDICTABLE         (1 << BLOCK_SH_SHIFT)
+#define BLOCK_SH_OUTER_SHAREABLE       (2 << BLOCK_SH_SHIFT)
+#define BLOCK_SH_INNER_SHAREABLE       (3 << BLOCK_SH_SHIFT)
+
 /* XLAT Table Init Attributes */
 
 #define VA_START                   0x0