diff --git a/gstreamer1-plugins-base.spec b/gstreamer1-plugins-base.spec
index 5879ad1..12b1d66 100644
--- a/gstreamer1-plugins-base.spec
+++ b/gstreamer1-plugins-base.spec
@@ -49,6 +49,9 @@ BuildRequires:  gtk-doc >= 1.3
 
 Requires:       iso-codes
 
+#  libgstgl moved here
+Conflicts: gstreamer1-plugins-bad-free < 1.13
+
 
 %description
 GStreamer is a streaming media framework, based on graphs of filters which
@@ -454,6 +457,7 @@ chrpath --delete $RPM_BUILD_ROOT%{_bindir}/gst-play-1.0
 - update %%files
 - use %%ldconfig_scriptlets %%make_build %%make_install
 - %%build: --disable-fatal-warnings --disable-silent-rules
+- Conflicts: gstreamer1-plugins-bad-free < 1.13
 
 * Thu Feb 22 2018 Wim Taymans <wtaymans@redhat.com> - 1.13.1-1
 - Update to 1.13.1