diff --git a/SOURCES/sysfsutils-2.1.1-fix-my-strncat.patch b/SOURCES/sysfsutils-2.1.1-fix-my-strncat.patch
new file mode 100644
index 0000000..c5de087
--- /dev/null
+++ b/SOURCES/sysfsutils-2.1.1-fix-my-strncat.patch
@@ -0,0 +1,21 @@
+diff -up sysfsutils-2.1.1/lib/sysfs_utils.c.orig sysfsutils-2.1.1/lib/sysfs_utils.c
+--- sysfsutils-2.1.1/lib/sysfs_utils.c.orig	2025-03-11 15:06:31.976403632 +0100
++++ sysfsutils-2.1.1/lib/sysfs_utils.c	2025-03-13 08:40:42.648753678 +0100
+@@ -369,14 +369,14 @@ char *my_strncpy(char *to, const char *f
+ }
+ 
+ /**
+- * my_strncpy -- a safe strncpy
++ * my_strncat -- a safe strncat
+  */
+ char *my_strncat(char *to, const char *from, size_t max)
+ {
+ 	size_t i = 0;
+ 
+-	while (i < max && to[i] != '\0')
++	while (to[i] != '\0')
+ 		i++;
+-	my_strncpy(to+i, from, max-i);
++	my_strncpy(to+i, from, max);
+ 	return to;
+ }
diff --git a/SPECS/sysfsutils.spec b/SPECS/sysfsutils.spec
index 01c3a25..b69de31 100644
--- a/SPECS/sysfsutils.spec
+++ b/SPECS/sysfsutils.spec
@@ -4,18 +4,21 @@
 
 Name:           sysfsutils
 Version:        2.1.1
-Release:        10%{?dist}
+Release:        11%{?dist}
 Summary:        Utilities for interfacing with sysfs
 URL:            https://github.com/linux-ras/sysfsutils
 License:        GPLv2
 
 Source0:        https://github.com/linux-ras/sysfsutils/archive/v%{version}.tar.gz
 
+Patch0:         sysfsutils-2.1.1-fix-my-strncat.patch
+
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  libtool
 BuildRequires:  make
 BuildRequires:  gcc
+Requires:       libsysfs = %{version}-%{release}
 
 %description
 This package's purpose is to provide a set of utilities for interfacing
@@ -71,6 +74,10 @@ find %{buildroot} -type f -name "*.la" -delete
 
 
 %changelog
+* Tue Apr 22 2025 Vitezslav Crhonek <vcrhonek@redhat.com> - 2.1.1-11
+- Fix erroneous my_strncat implementation
+  Resolves: RHEL-83777
+
 * Wed Jan 26 2022 Chris White <chwhite@redhat.com> - 2.1.1-10
 - Rebuilding for RHEL9. Resolves rhbz#2043148