diff --git a/python-qt5.spec b/python-qt5.spec
index bae5b23..d36693a 100644
--- a/python-qt5.spec
+++ b/python-qt5.spec
@@ -16,6 +16,9 @@
 
 %global rpm_macros_dir %(d=%{_rpmconfigdir}/macros.d; [ -d $d ] || d=%{_sysconfdir}/rpm; echo $d)
 
+# see also https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/JQQ66XJSIT2FGTK2YQY7AXMEH5IXMPUX/
+%undefine _strict_symbol_defs_build
+
 Summary: PyQt5 is Python bindings for Qt5
 Name:    python-qt5
 Version: 5.10