diff --git a/SPECS/i3.spec b/SPECS/i3.spec
index d153208..9c084a0 100644
--- a/SPECS/i3.spec
+++ b/SPECS/i3.spec
@@ -1,5 +1,5 @@
 Name:           i3
-Version:        4.18
+Version:        4.18.1
 Release:        1%{?dist}
 Summary:        Improved tiling window manager
 License:        BSD
@@ -79,20 +79,35 @@ Asciidoc and doxygen generated documentations for %{name}.
 
 %prep
 %setup -q
-# Drop /usr/bin/env lines in those which will be installed to %%_bindir.
 find . -maxdepth 1 -type f -name "i3*" -exec sed -i -e '1s;^#!/usr/bin/env perl;#!/usr/bin/perl;' {} + -print
-###  ### sed -i 's/1\.14\.4/1\.14\.1/g' configure
 
 
 %build
-%configure
-%make_build -C *-powerel-linux-gnu
-#doxygen pseudo-doc.doxygen
-#mv pseudo-doc/html pseudo-doc/doxygen
+./configure \
+  --build=%{_arch}-powerel-linux-gnu \
+  --host=%{_arch}-powerel-linux-gnu \
+  --disable-dependency-tracking \
+  --program-prefix= \
+  --prefix=/usr \
+  --exec-prefix=/usr \
+  --bindir=/usr/bin \
+  --sbindir=/usr/sbin \
+  --sysconfdir=/etc \
+  --datadir=/usr/share \
+  --includedir=/usr/include \
+  --libdir=/usr/lib64 \
+  --libexecdir=/usr/libexec \
+  --localstatedir=/var \
+  --sharedstatedir=/var/lib \
+  --mandir=/usr/share/man \
+  --infodir=/usr/share/info
+%make_build -C %{_arch}-powerel-linux-gnu
+doxygen pseudo-doc.doxygen
+mv pseudo-doc/html pseudo-doc/doxygen
 
 
 %install
-%make_install -C *-powerel-linux-gnu
+%make_install -C %{_arch}-powerel-linux-gnu
 mkdir -p %{buildroot}%{_mandir}/man1/
 install -Dpm0644 man/*.1 %{buildroot}%{_mandir}/man1/
 mkdir -p %{buildroot}%{_datadir}/pixmaps/
@@ -100,10 +115,7 @@ install -Dpm0644 %{SOURCE1} %{buildroot}%{_datadir}/pixmaps/
 
 
 %check
-%ifnarch s390 s390x
-# TODO: with xorg dummy to test the package.
 #cd testcases/ && ./complete-run.pl -p 1
-%endif
 
 
 %files