diff --git a/swami.spec b/swami.spec
index 8fe8dd9..6925110 100644
--- a/swami.spec
+++ b/swami.spec
@@ -1,6 +1,8 @@
+%define __cmake_in_source_build 1
+
 Name:           swami
 Version:        2.0.0
-Release:        24.20110806svn386%{?dist}
+Release:        25.20110806svn386%{?dist}
 Summary:        MIDI instrument and sound editor
 License:        GPLv2
 URL:            http://www.swamiproject.org/
@@ -93,6 +95,9 @@ desktop-file-install                                    \
 
 
 %changelog
+* Tue Sep 22 2020 Jeff Law <law@redhat.com> - 2.0.0-25.20110806svn386
+- Use cmake_in_source_build to fix FTBFS due to recent cmake macro changes
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.0-24.20110806svn386
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild