diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 4f8ec78..7fcbf19 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Aug 15 09:09:03 UTC 2018 - bjorn.lie@gmail.com
+
+- Add conditional for pkgconfig(gconf-2.0) BuildRequires, and pass
+  conditional --disable-gconf to configure: no longer pull in
+  obsolete gconf2 for Tumbleweed.
+
 -------------------------------------------------------------------
 Fri Aug  3 06:02:53 UTC 2018 - wr@rosenauer.org
 
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 05b9618..153808a 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -55,7 +55,9 @@ BuildRequires:  xorg-x11-libXt-devel
 BuildRequires:  xz
 BuildRequires:  yasm
 BuildRequires:  zip
+%if 0%{?suse_version} < 1550
 BuildRequires:  pkgconfig(gconf-2.0) >= 1.2.1
+%endif
 BuildRequires:  pkgconfig(gdk-x11-2.0)
 BuildRequires:  pkgconfig(glib-2.0) >= 2.22
 BuildRequires:  pkgconfig(gobject-2.0)
@@ -285,6 +287,9 @@ ac_add_options --disable-elf-hack
 %endif
 %endif
 ac_add_options --enable-default-toolkit=cairo-gtk3
+%if 0%{?suse_version} >= 1550
+ac_add_options --disable-gconf
+%endif
 ac_add_options --with-system-nspr
 ac_add_options --with-system-nss
 ac_add_options --with-system-jpeg