diff --git a/src/libsodium/crypto_stream/aes128ctr/portable/afternm_aes128ctr.c b/src/libsodium/crypto_stream/aes128ctr/portable/afternm_aes128ctr.c
index 4a3785eb..699146c9 100644
--- a/src/libsodium/crypto_stream/aes128ctr/portable/afternm_aes128ctr.c
+++ b/src/libsodium/crypto_stream/aes128ctr/portable/afternm_aes128ctr.c
@@ -128,7 +128,7 @@ int crypto_stream_afternm(unsigned char *outp, unsigned long long len, const uns
 
     if(lensav == 0) goto end;
 
-    b = blp[0];
+    b = blp[0]; /* clang false positive */
     *(unsigned char *)(outp + 0) = b;
 
     blp += 1;
diff --git a/src/libsodium/crypto_stream/aes128ctr/portable/xor_afternm_aes128ctr.c b/src/libsodium/crypto_stream/aes128ctr/portable/xor_afternm_aes128ctr.c
index 6734fb93..09f6c809 100644
--- a/src/libsodium/crypto_stream/aes128ctr/portable/xor_afternm_aes128ctr.c
+++ b/src/libsodium/crypto_stream/aes128ctr/portable/xor_afternm_aes128ctr.c
@@ -139,7 +139,7 @@ int crypto_stream_xor_afternm(unsigned char *outp, const unsigned char *inp, uns
 
     if(lensav == 0) goto end;
 
-    b = blp[0];
+    b = blp[0]; /* clang false positive */
     b ^= *(unsigned char *)(inp + 0);
     *(unsigned char *)(outp + 0) = b;