diff --git a/pycups-pyssizet_clean.patch b/pycups-pyssizet_clean.patch
new file mode 100644
index 0000000..f84e982
--- /dev/null
+++ b/pycups-pyssizet_clean.patch
@@ -0,0 +1,13 @@
+diff --git a/cupsipp.h b/cupsipp.h
+index 2a15ce6..b890198 100644
+--- a/cupsipp.h
++++ b/cupsipp.h
+@@ -21,6 +21,8 @@
+ #ifndef HAVE_CUPSIPP_H
+ #define HAVE_CUPSIPP_H
+ 
++#define PY_SSIZE_T_CLEAN
++
+ #include <Python.h>
+ #include <cups/ipp.h>
+ 
diff --git a/python-cups.spec b/python-cups.spec
index 8e05ad0..a5c88cb 100644
--- a/python-cups.spec
+++ b/python-cups.spec
@@ -6,7 +6,7 @@
 Summary:       Python bindings for CUPS
 Name:          python-cups
 Version:       2.0.1
-Release:       9%{?dist}
+Release:       10%{?dist}
 # older URL, but still with useful information about pycups
 #URL:           http://cyberelk.net/tim/software/pycups/
 URL:           https://github.com/OpenPrinting/pycups/
@@ -17,6 +17,7 @@ License:       GPLv2+
 Patch01: 0001-examples-cupstree.py-remove-shebang.patch
 Patch02: 0001-postscriptdriver.prov-ignore-driverless-utilities.patch
 Patch03: pycups-invalid-pointer.patch
+Patch04: pycups-pyssizet_clean.patch
 
 # gcc is no longer in buildroot by default
 BuildRequires: gcc
@@ -74,6 +75,9 @@ export PYTHONPATH=%{buildroot}%{python3_sitearch}
 %doc examples html
 
 %changelog
+* Mon Jun 28 2021 Zdenek Dohnal <zdohnal@redhat.com> - 2.0.1-10
+- IPPRequest.writeIO() tracebacks because PY_SSIZE_T_CLEAN is not defined
+
 * Fri Jun 04 2021 Python Maint <python-maint@redhat.com> - 2.0.1-9
 - Rebuilt for Python 3.10