diff --git a/ghc-rpm-macros.spec b/ghc-rpm-macros.spec
index 9a8b2ad..240d5bc 100644
--- a/ghc-rpm-macros.spec
+++ b/ghc-rpm-macros.spec
@@ -130,28 +130,28 @@ echo no build stage
 
 
 %install
-install -p -D -m 0644 %{SOURCE0} %{buildroot}/%{macros_dir}/macros.ghc
-install -p -D -m 0644 %{SOURCE6} %{buildroot}/%{macros_dir}/macros.ghc-extra
-install -p -D -m 0644 %{SOURCE9} %{buildroot}/%{macros_dir}/macros.ghc-os
+install -p -D -m 0644 %{SOURCE0} %{buildroot}%{macros_dir}/macros.ghc
+install -p -D -m 0644 %{SOURCE6} %{buildroot}%{macros_dir}/macros.ghc-extra
+install -p -D -m 0644 %{SOURCE9} %{buildroot}%{macros_dir}/macros.ghc-os
 
-install -p -D -m 0755 %{SOURCE3} %{buildroot}/%{_prefix}/lib/rpm/ghc-deps.sh
+install -p -D -m 0755 %{SOURCE3} %{buildroot}%{_prefix}/lib/rpm/ghc-deps.sh
 
 %if 0%{?fedora} || 0%{?rhel} >= 7
-install -p -D -m 0644 %{SOURCE7} %{buildroot}/%{_prefix}/lib/rpm/fileattrs/ghc.attr
+install -p -D -m 0644 %{SOURCE7} %{buildroot}%{_prefix}/lib/rpm/fileattrs/ghc.attr
 %endif
 
-install -p -D -m 0644 %{SOURCE10} %{buildroot}/%{_datadir}/%{name}/Setup.hs
+install -p -D -m 0644 %{SOURCE10} %{buildroot}%{_datadir}/%{name}/Setup.hs
 
-install -p -D -m 0755 %{SOURCE4} %{buildroot}/%{_bindir}/cabal-tweak-dep-ver
-install -p -D -m 0755 %{SOURCE5} %{buildroot}/%{_bindir}/cabal-tweak-flag
-install -p -D -m 0755 %{SOURCE11} %{buildroot}/%{_bindir}/cabal-tweak-drop-dep
-install -p -D -m 0755 %{SOURCE12} %{buildroot}/%{_bindir}/cabal-tweak-remove-upperbound
-install -p -D -m 0755 %{SOURCE8} %{buildroot}/%{_prefix}/lib/rpm/ghc-pkg-wrapper
+install -p -D -m 0755 %{SOURCE4} %{buildroot}%{_bindir}/cabal-tweak-dep-ver
+install -p -D -m 0755 %{SOURCE5} %{buildroot}%{_bindir}/cabal-tweak-flag
+install -p -D -m 0755 %{SOURCE11} %{buildroot}%{_bindir}/cabal-tweak-drop-dep
+install -p -D -m 0755 %{SOURCE12} %{buildroot}%{_bindir}/cabal-tweak-remove-upperbound
+install -p -D -m 0755 %{SOURCE8} %{buildroot}%{_prefix}/lib/rpm/ghc-pkg-wrapper
 
 mkdir -p %{buildroot}%{_docdir}/ghc/html/libraries
 
 %if 0%{?rhel} && 0%{?rhel} < 7
-cat >> %{buildroot}/%{_prefix}/lib/rpm/ghc-deps.sh <<EOF
+cat >> %{buildroot}%{_prefix}/lib/rpm/ghc-deps.sh <<EOF
 
 echo \$files | tr [:blank:] '\n' | %{_rpmconfigdir}/rpmdeps --requires
 EOF