diff --git a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_mul.S b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_mul.S
index 3b763788..4249db51 100644
--- a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_mul.S
+++ b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_mul.S
@@ -7,10 +7,16 @@
 #include "consts_namespace.h"
 .text
 .p2align 5
-.globl _fe51_mul
+.private_extern fe51_mul
+.private_extern _fe51_mul
 .globl fe51_mul
-_fe51_mul:
+.globl _fe51_mul
+#ifdef __ELF__
+.type fe51_mul, @function
+.type _fe51_mul, @function
+#endif
 fe51_mul:
+_fe51_mul:
 mov %rsp,%r11
 and $31,%r11
 add $96,%r11
diff --git a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_nsquare.S b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_nsquare.S
index 9b74ee3e..64ab2b5a 100644
--- a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_nsquare.S
+++ b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_nsquare.S
@@ -8,6 +8,8 @@
 #include "consts_namespace.h"
 .p2align 5
 
+.private_extern fe51_nsquare
+.private_extern _fe51_nsquare
 .globl fe51_nsquare
 .globl _fe51_nsquare
 #ifdef __ELF__
diff --git a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_pack.S b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_pack.S
index c8cf405b..b6128ee3 100644
--- a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_pack.S
+++ b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/fe51_pack.S
@@ -8,6 +8,8 @@
 #include "consts_namespace.h"
 .p2align 5
 
+.private_extern fe51_pack
+.private_extern _fe51_pack
 .globl fe51_pack
 .globl _fe51_pack
 #ifdef __ELF__
diff --git a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder.S b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder.S
index 0adc44af..abb8fd68 100644
--- a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder.S
+++ b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder.S
@@ -4,6 +4,8 @@
 #include "consts_namespace.h"
 .p2align 5
 
+.private_extern ladder
+.private_extern _ladder
 .globl ladder
 .globl _ladder
 #ifdef __ELF__
diff --git a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder_base.S b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder_base.S
index 536ac101..7d21687e 100644
--- a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder_base.S
+++ b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/ladder_base.S
@@ -4,6 +4,8 @@
 #include "consts_namespace.h"
 .p2align 5
 
+.private_extern ladder_base
+.private_extern _ladder_base
 .globl ladder_base
 .globl _ladder_base
 #ifdef __ELF__