diff --git a/webkit2gtk3.spec b/webkit2gtk3.spec
index f033327..665e229 100644
--- a/webkit2gtk3.spec
+++ b/webkit2gtk3.spec
@@ -1,3 +1,5 @@
+%undefine __cmake_in_source_build
+
 ## NOTE: Lots of files in various subdirectories have the same name (such as
 ## "LICENSE") so this short macro allows us to distinguish them by using their
 ## directory names (from the source tree) as prefixes for the files.
@@ -184,8 +186,6 @@ rm -rf Source/ThirdParty/qunit/
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
 
-mkdir -p %{_target_platform}
-pushd %{_target_platform}
 %cmake \
   -GNinja \
   -DPORT=GTK \
@@ -196,15 +196,14 @@ pushd %{_target_platform}
 %if 0%{?fedora}
   -DUSER_AGENT_BRANDING="Fedora" \
 %endif
-  ..
-popd
+  %{nil}
 
 # Show the build time in the status
 export NINJA_STATUS="[%f/%t][%e] "
-%ninja_build -C %{_target_platform}
+%cmake_build
 
 %install
-%ninja_install -C %{_target_platform}
+%cmake_install
 
 %find_lang WebKit2GTK-4.0
 
@@ -275,7 +274,7 @@ export NINJA_STATUS="[%f/%t][%e] "
 %{_datadir}/gtk-doc/html/webkitdomgtk-4.0/
 
 %changelog
-* Wed July 01 2020 Jeff Law <law@redhat.com> - 2.29.2-2
+* Wed Jul 01 2020 Jeff Law <law@redhat.com> - 2.29.2-2
 - Disable LTO
 
 * Wed Jun 24 2020 Michael Catanzaro <mcatanzaro@redhat.com> - 2.29.2-1