diff --git a/gmp.spec b/gmp.spec
index 4bae014..069f8d7 100644
--- a/gmp.spec
+++ b/gmp.spec
@@ -6,7 +6,7 @@
 Summary: A GNU arbitrary precision library
 Name: gmp
 Version: 6.2.0
-Release: 12%{?dist}
+Release: 13%{?dist}
 Epoch: 1
 URL: http://gmplib.org/
 Source0: ftp://ftp.gmplib.org/pub/gmp-%{version}/gmp-%{version}.tar.bz2
@@ -187,6 +187,11 @@ export LD_LIBRARY_PATH=`pwd`/.libs
 %{_libdir}/libgmpxx.a
 
 %changelog
+* Tue Aug 03 2023 Jakub Martisko <jamartis@redhat.com> - 1:6.2.0-13
+- Fix: previous commit removed one function from the library and thus broke the ABI
+- function gmpn_preinv_divrem_1 should now not be removed
+Related: rhbz#2044216
+
 * Tue Jul 18 2023 Jakub Martisko <jamartis@redhat.com> - 1:6.2.0-12
 - Add SIMD optimization patches for s390x (provided by the IBM)
 Resolves: rhbz#2044216
diff --git a/ibm_z13_simd_part4.patch b/ibm_z13_simd_part4.patch
index f66f615..c87c17c 100644
--- a/ibm_z13_simd_part4.patch
+++ b/ibm_z13_simd_part4.patch
@@ -33,7 +33,7 @@ index a17503fd0..50e7f39d1 100644
 +#define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
 +#define MOD_1_2_TO_MOD_1_4_THRESHOLD         0  /* never mpn_mod_1s_2p */
 +#define PREINV_MOD_1_TO_MOD_1_THRESHOLD      5
-+#define USE_PREINV_DIVREM_1                  0
++#define USE_PREINV_DIVREM_1                  1
 +#define DIV_QR_1N_PI1_METHOD                 3
 +#define DIV_QR_1_NORM_THRESHOLD          MP_SIZE_T_MAX  /* never */
 +#define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */