diff --git a/src/libsodium/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt-common.c b/src/libsodium/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt-common.c
index 4f327aea..8b82eb94 100644
--- a/src/libsodium/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt-common.c
+++ b/src/libsodium/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt-common.c
@@ -192,7 +192,7 @@ escrypt_gensalt_r(uint32_t N_log2, uint32_t r, uint32_t p,
 
     need = prefixlen + saltlen + 1;
     if (need > buflen || need < saltlen || saltlen < srclen) {
-        return NULL;
+        return NULL; /* LCOV_EXCL_LINE */
     }
     if (N_log2 > 63 || ((uint64_t)r * (uint64_t)p >= (1U << 30))) {
         return NULL;
diff --git a/src/libsodium/crypto_pwhash/scryptsalsa208sha256/pwhash_scryptsalsa208sha256.c b/src/libsodium/crypto_pwhash/scryptsalsa208sha256/pwhash_scryptsalsa208sha256.c
index 143efa3b..b3b96f6d 100644
--- a/src/libsodium/crypto_pwhash/scryptsalsa208sha256/pwhash_scryptsalsa208sha256.c
+++ b/src/libsodium/crypto_pwhash/scryptsalsa208sha256/pwhash_scryptsalsa208sha256.c
@@ -147,8 +147,8 @@ crypto_pwhash_scryptsalsa208sha256_str(char out[crypto_pwhash_scryptsalsa208sha2
     randombytes_buf(salt, sizeof salt);
     if (escrypt_gensalt_r(N_log2, r, p, salt, sizeof salt,
                           (uint8_t *) setting, sizeof setting) == NULL) {
-        errno = EINVAL;
-        return -1;
+        errno = EINVAL; /* LCOV_EXCL_LINE */
+        return -1; /* LCOV_EXCL_LINE */
     }
     if (escrypt_init_local(&escrypt_local) != 0) {
         return -1; /* LCOV_EXCL_LINE */