diff --git a/library/x509.c b/library/x509.c
index fbee2c54d..3619aee4f 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -480,14 +480,20 @@ int x509_get_name( unsigned char **p, const unsigned char *end,
     }
 }
 
-static int x509_parse_int(unsigned char **p, size_t n, int *res){
+static int x509_parse_int( unsigned char **p, size_t n, int *res )
+{
     *res = 0;
-    for( ; n > 0; --n ){
-        if( ( **p < '0') || ( **p > '9' ) ) return POLARSSL_ERR_X509_INVALID_DATE;
+
+    for( ; n > 0; --n )
+    {
+        if( ( **p < '0') || ( **p > '9' ) )
+            return( POLARSSL_ERR_X509_INVALID_DATE );
+
         *res *= 10;
-        *res += (*(*p)++ - '0');
+        *res += ( *(*p)++ - '0' );
     }
-    return 0;
+
+    return( 0 );
 }
 
 static int x509_date_is_valid(const x509_time *t)