diff --git a/libreoffice.changes b/libreoffice.changes
index 033bb7f..0e749a7 100644
--- a/libreoffice.changes
+++ b/libreoffice.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Feb 12 09:24:51 UTC 2018 - tchvatal@suse.com
+
+- Make sure we execute everything with python3
+
 -------------------------------------------------------------------
 Fri Feb  9 11:59:11 UTC 2018 - tchvatal@suse.com
 
diff --git a/libreoffice.spec b/libreoffice.spec
index cb9cfc3..1cc0c7f 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -946,6 +946,8 @@ google_api_key="AIzaSyD1hTe85_a14kr1Ks8T3Ce75rvbR1_Dx7Q"
 google_default_client_id="4139804441.apps.googleusercontent.com"
 google_default_client_secret="KDTRKEZk2jwT_7CDpcmMA--P"
 
+# make sure we execute everything with python3
+export PYTHON=%{_bindir}/python3
 # do not run configure in autogen but use macro later
 export NOCONFIGURE=yes
 ./autogen.sh