diff --git a/library/x509_crt.c b/library/x509_crt.c
index 8200374..708dbf7 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -2115,7 +2115,7 @@
 
         if( ( ret = x509_info_subject_alt_name( &p, &n,
                                                 &crt->subject_alt_names,
-                                                prefix) ) != 0 )
+                                                prefix ) ) != 0 )
             return( ret );
     }