diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index e824902..c625d02 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -134,7 +134,7 @@
     }
 
     rsa.len = ( mpi_msb( &rsa.N ) + 7 ) >> 3;
-    
+
     fclose( f );
 
     /*