diff --git a/gnome-commander.spec b/gnome-commander.spec
index 5478e7f..44efc66 100644
--- a/gnome-commander.spec
+++ b/gnome-commander.spec
@@ -16,6 +16,15 @@
 #
 # ref: http://lists.gnu.org/archive/html/gcmd-devel/2007-11/msg00076.html
 
+# gcmd plugins uses symbols defined in gcmd binary
+%undefine	_strict_symbol_defs_build
+
+%if 0%{fedora} >= 28
+%global	python2_devel	python2-devel
+%else
+%global	python2_devel	python-devel
+%endif
+
 %global        EXIV2_REQ             0.14
 %global        TAGLIB_REQ            1.4
 %global        LIBGSF_REQ            1.12.0
@@ -28,7 +37,7 @@
 %global        use_autotool          0
 %global        update_po             0
 %global        if_pre                0
-%global        main_release          1
+%global        main_release          2
 #%%global        extratag              %{git_pull_JST}git%{shorthash}
 %undefine      extratag
 %global        mimeedit_rev          1958
@@ -53,7 +62,7 @@ Name:          gnome-commander
 Version:       1.8.0
 # Downgrade 3 times, sorry...
 Epoch:         4
-Release:       %{fedora_rel}%{?dist}.1
+Release:       %{fedora_rel}%{?dist}
 Summary:       A nice and fast file manager for the GNOME desktop
 Summary(pl):   Menadżer plików dla GNOME oparty o Norton Commander'a (TM)
 Summary(sv):   GNOME Commander är en snabb och smidig filhanderare för GNOME
@@ -89,7 +98,7 @@ BuildRequires: libSM-devel
 
 BuildRequires: gnome-doc-utils
 BuildRequires: perl(XML::Parser)
-BuildRequires: python2-devel
+BuildRequires: %python2_devel
 
 %if %{use_autotool}
 BuildRequires: automake
@@ -279,6 +288,9 @@ exit 0
 %{_datadir}/pixmaps/%{name}/
 
 %changelog
+* Tue Jan 23 2018 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4:1.8.0-2
+- Disable -z defs because plugin uses binary internal symbols
+
 * Fri Jan 05 2018 Iryna Shcherbina <ishcherb@redhat.com> - 4:1.8.0-1.1
 - Update Python 2 dependency declarations to new packaging standards
   (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)