diff --git a/src/libsodium/crypto_onetimeauth/poly1305/donna/auth_poly1305_donna.c b/src/libsodium/crypto_onetimeauth/poly1305/donna/auth_poly1305_donna.c
index 212725f3..304e7abd 100644
--- a/src/libsodium/crypto_onetimeauth/poly1305/donna/auth_poly1305_donna.c
+++ b/src/libsodium/crypto_onetimeauth/poly1305/donna/auth_poly1305_donna.c
@@ -14,49 +14,49 @@
 static void
 poly1305_update(poly1305_context *ctx, const unsigned char *m,
                 unsigned long long bytes) {
-        poly1305_state_internal_t *st = (poly1305_state_internal_t *)ctx;
-        unsigned long long i;
+    poly1305_state_internal_t *st = (poly1305_state_internal_t *)ctx;
+    unsigned long long i;
 
-        /* handle leftover */
-        if (st->leftover) {
-                unsigned long long want = (poly1305_block_size - st->leftover);
-                if (want > bytes)
-                        want = bytes;
-                for (i = 0; i < want; i++)
-                        st->buffer[st->leftover + i] = m[i];
-                bytes -= want;
-                m += want;
-                st->leftover += want;
-                if (st->leftover < poly1305_block_size)
-                        return;
-                poly1305_blocks(st, st->buffer, poly1305_block_size);
-                st->leftover = 0;
-        }
+    /* handle leftover */
+    if (st->leftover) {
+        unsigned long long want = (poly1305_block_size - st->leftover);
+        if (want > bytes)
+            want = bytes;
+        for (i = 0; i < want; i++)
+            st->buffer[st->leftover + i] = m[i];
+        bytes -= want;
+        m += want;
+        st->leftover += want;
+        if (st->leftover < poly1305_block_size)
+            return;
+        poly1305_blocks(st, st->buffer, poly1305_block_size);
+        st->leftover = 0;
+    }
 
-        /* process full blocks */
-        if (bytes >= poly1305_block_size) {
-                unsigned long long want = (bytes & ~(poly1305_block_size - 1));
-                poly1305_blocks(st, m, want);
-                m += want;
-                bytes -= want;
-        }
+    /* process full blocks */
+    if (bytes >= poly1305_block_size) {
+        unsigned long long want = (bytes & ~(poly1305_block_size - 1));
+        poly1305_blocks(st, m, want);
+        m += want;
+        bytes -= want;
+    }
 
-        /* store leftover */
-        if (bytes) {
-                for (i = 0; i < bytes; i++)
-                        st->buffer[st->leftover + i] = m[i];
-                st->leftover += bytes;
-        }
+    /* store leftover */
+    if (bytes) {
+        for (i = 0; i < bytes; i++)
+            st->buffer[st->leftover + i] = m[i];
+        st->leftover += bytes;
+    }
 }
 
 int
 crypto_onetimeauth(unsigned char *out, const unsigned char *m,
                    unsigned long long inlen, const unsigned char *key)
 {
-        poly1305_context ctx;
-        poly1305_init(&ctx, key);
-        poly1305_update(&ctx, m, inlen);
-        poly1305_finish(&ctx, out);
+    poly1305_context ctx;
+    poly1305_init(&ctx, key);
+    poly1305_update(&ctx, m, inlen);
+    poly1305_finish(&ctx, out);
 
     return 0;
 }
diff --git a/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h b/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h
index e10e935f..16ac08b4 100644
--- a/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h
+++ b/src/libsodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h
@@ -4,8 +4,8 @@
 #include <stddef.h>
 
 typedef struct poly1305_context {
-        unsigned long long aligner;
-        unsigned char opaque[136];
+    unsigned long long aligner;
+    unsigned char opaque[136];
 } poly1305_context;
 
 #endif /* POLY1305_DONNA_H */
diff --git a/src/libsodium/crypto_onetimeauth/poly1305/donna/verify_poly1305_donna.c b/src/libsodium/crypto_onetimeauth/poly1305/donna/verify_poly1305_donna.c
index af9054b5..fae8a6ca 100644
--- a/src/libsodium/crypto_onetimeauth/poly1305/donna/verify_poly1305_donna.c
+++ b/src/libsodium/crypto_onetimeauth/poly1305/donna/verify_poly1305_donna.c
@@ -2,9 +2,14 @@
 #include "crypto_onetimeauth_poly1305_donna.h"
 #include "crypto_verify_16.h"
 
-int crypto_onetimeauth_verify(const unsigned char *h,const unsigned char *in,unsigned long long inlen,const unsigned char *k)
+int
+crypto_onetimeauth_verify(const unsigned char *h,
+                          const unsigned char *in,
+                          unsigned long long inlen,
+                          const unsigned char *k)
 {
-  unsigned char correct[16];
-  crypto_onetimeauth(correct,in,inlen,k);
-  return crypto_verify_16(h,correct);
+    unsigned char correct[16];
+
+    crypto_onetimeauth(correct,in,inlen,k);
+    return crypto_verify_16(h,correct);
 }