diff --git a/mathgl.spec b/mathgl.spec
index 1baf1ba..df75cce 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -5,9 +5,11 @@
 %global with_doc 1
 
 %if 0%{?fedora} >= 21
+%if 0%{?fedora} < 26
 %global with_octave 1
 %global octpkg mathgl
 %endif
+%endif
 
 %if 0%{?with_doc}
 %global docs on
@@ -19,7 +21,7 @@
 
 Name:          mathgl
 Version:       2.3.4
-Release:       6%{?dist}
+Release:       7%{?dist}
 Summary:       Cross-platform library for making high-quality scientific graphics
 Summary(de):   Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru):   Библиотека для осуществления высококачественной визуализации данных
@@ -584,7 +586,10 @@ fi
 %endif
 
 %changelog
-* Thu Dec 08 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.3.4-6
+* Fri Jan 06 2017 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.3.4-7
+- Disable octave support for as octave-4.2 is not supported by swig for now.
+
+* Thu Dec 08 2016 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.3.4-6
 - Fix description tag for octave-mathgl.
 
 * Wed Dec 07 2016 Orion Poplawski <orion@cora.nwra.com> - 2.3.4-5