diff --git a/cipher/poly1305-s390x.S b/cipher/poly1305-s390x.S
index 844245f6..28bed560 100644
--- a/cipher/poly1305-s390x.S
+++ b/cipher/poly1305-s390x.S
@@ -1,87 +1,87 @@
 /* poly1305-s390x.S  -  zSeries implementation of Poly1305
  *
  * Copyright (C) 2020 Jussi Kivilinna <jussi.kivilinna@iki.fi>
  *
  * This file is part of Libgcrypt.
  *
  * Libgcrypt is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * Libgcrypt is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#if defined (__s390x__) && __GNUC__ >= 4 && __ARCH__ >= 9
 #include <config.h>
+#if defined (__s390x__) && __GNUC__ >= 4 && __ARCH__ >= 9
 #if defined(HAVE_GCC_INLINE_ASM_S390X)
 
 #include "asm-poly1305-s390x.h"
 
 .text
 
 .balign 8
 .globl _gcry_poly1305_s390x_blocks1
 ELF(.type _gcry_poly1305_s390x_blocks1,@function;)
 
 _gcry_poly1305_s390x_blocks1:
 	/* input:
 	 *	%r2: poly1305-state
 	 *	%r3: src
 	 *	%r4: len
 	 *	%r5: high_pad
 	 */
 	CFI_STARTPROC();
 
 	stmg %r6, %r14, 6 * 8(%r15);
 
 	lgr POLY_RSTATE, %r2;
 	lgr POLY_RSRC, %r3;
 	srlg %r0, %r4, 4;
 
 	cgije %r5, 0, .Lpoly_high0;
 
 	POLY1305_LOAD_STATE();
 
 .balign 4
 .Lpoly_loop_high1:
 	POLY1305_BLOCK_PART1(0 * 16);
 	INC_POLY1305_SRC(1 * 16);
 .Lpoly_block_part2:
 	POLY1305_BLOCK_PART2();
 	POLY1305_BLOCK_PART3();
 	POLY1305_BLOCK_PART4();
 	POLY1305_BLOCK_PART5();
 	POLY1305_BLOCK_PART6();
 	POLY1305_BLOCK_PART7();
 	POLY1305_BLOCK_PART8();
 
 	brctg %r0, .Lpoly_loop_high1;
 
 .balign 4
 .Lpoly_done:
 	POLY1305_STORE_STATE();
 
 	lmg %r6, %r14, 6 * 8(%r15);
 	xgr %r2, %r2;
 	br %r14;
 
 .balign 4
 .Lpoly_high0:
 	lghi %r0, 1;
 	POLY1305_LOAD_STATE();
 	POLY1305_BLOCK_PART1_HB(0 * 16, 0);
 	j .Lpoly_block_part2;
 
 	CFI_ENDPROC();
 ELF(.size _gcry_poly1305_s390x_blocks1,
     .-_gcry_poly1305_s390x_blocks1;)
 
 #endif /*HAVE_GCC_INLINE_ASM_S390X*/
 #endif /*__s390x__*/