diff --git a/README.adoc b/README.adoc
index 25a0d98..1f67732 100644
--- a/README.adoc
+++ b/README.adoc
@@ -28,11 +28,11 @@ FROM gentoo/portage:latest as portage
 FROM tastytea/gentoo-base:latest as gentoo-base
 
 # Build packages in /workdir.
-FROM gentoo/stage3-amd64:latest as build
+FROM gentoo/stage3-amd64-nomultilib:latest as build
 COPY --from=portage /var/db/repos/gentoo /var/db/repos/gentoo
 COPY --from=gentoo-base / /workdir
 RUN cp /workdir/etc/portage/make.conf /etc/portage/make.conf
-RUN eselect profile set default/linux/amd64/17.1
+RUN eselect profile set default/linux/amd64/17.1/no-multilib
 RUN mkdir -p /etc/portage/package.accept_keywords
 RUN echo 'games-misc/cowsay' >> \
     /etc/portage/package.accept_keywords/cowsay
diff --git a/gentoo-base.Dockerfile b/gentoo-base.Dockerfile
index a019e57..707aebf 100644
--- a/gentoo-base.Dockerfile
+++ b/gentoo-base.Dockerfile
@@ -2,7 +2,7 @@
 FROM gentoo/portage:latest as portage
 
 # Build packages in /workdir.
-FROM gentoo/stage3-amd64:latest as build
+FROM gentoo/stage3-amd64-nomultilib:latest as build
 COPY --from=portage /var/db/repos/gentoo /var/db/repos/gentoo
 RUN sed -i 's/-O2/-Os/' /etc/portage/make.conf
 RUN echo -e '\n# Added by tastytea/gentoo-base:' >> /etc/portage/make.conf
@@ -14,7 +14,7 @@ RUN echo 'USE="minimal -berkdb -cracklib -gdbm -gpg -ncurses -nls \
     -pam -pcre -pcre-jit -perl -readline -rsync-verify -xattr"' \
     >> /etc/portage/make.conf
 RUN echo -e 'L10N="en_DK"\nLINGUAS="en_DK"' >> /etc/portage/make.conf
-RUN eselect profile set default/linux/amd64/17.1
+RUN eselect profile set default/linux/amd64/17.1/no-multilib
 RUN quickpkg --include-config=y @world sys-libs/glibc
 RUN emerge --root=/workdir --buildpkg=y --usepkg --quiet sys-apps/portage
 # Needed for locale generation.
diff --git a/pkgcheck.Dockerfile b/pkgcheck.Dockerfile
index 4d76e91..06622c6 100644
--- a/pkgcheck.Dockerfile
+++ b/pkgcheck.Dockerfile
@@ -5,12 +5,12 @@ FROM gentoo/portage:latest as portage
 FROM tastytea/gentoo-base:latest as gentoo-base
 
 # Build packages in /workdir.
-FROM gentoo/stage3-amd64:latest as build
+FROM gentoo/stage3-amd64-nomultilib:latest as build
 COPY --from=portage /var/db/repos/gentoo /var/db/repos/gentoo
 COPY --from=gentoo-base / /workdir
 RUN cp /workdir/etc/portage/make.conf /etc/portage/make.conf
 ENV USE "-curl -webdav"
-RUN eselect profile set default/linux/amd64/17.1
+RUN eselect profile set default/linux/amd64/17.1/no-multilib
 RUN mkdir -p /etc/portage/package.accept_keywords
 RUN echo -e 'dev-util/pkgcheck\n  sys-apps/pkgcore' >> \
     /etc/portage/package.accept_keywords/portage
@@ -38,5 +38,5 @@ FROM gentoo/portage:latest
 LABEL maintainer="tastytea+docker@tastytea.de"
 LABEL description="Latest ~amd64 dev-util/pkgcheck."
 COPY --from=build /workdir /
-RUN eselect profile set default/linux/amd64/17.1
+RUN eselect profile set default/linux/amd64/17.1/no-multilib
 ENV LANG "en_DK.utf8"
diff --git a/repoman.Dockerfile b/repoman.Dockerfile
index 3f436be..b72744d 100644
--- a/repoman.Dockerfile
+++ b/repoman.Dockerfile
@@ -5,12 +5,12 @@ FROM gentoo/portage:latest as portage
 FROM tastytea/gentoo-base:latest as gentoo-base
 
 # Build packages in /workdir.
-FROM gentoo/stage3-amd64:latest as build
+FROM gentoo/stage3-amd64-nomultilib:latest as build
 COPY --from=portage /var/db/repos/gentoo /var/db/repos/gentoo
 COPY --from=gentoo-base / /workdir
 RUN cp /workdir/etc/portage/make.conf /etc/portage/make.conf
 ENV USE "-curl -idn -net -ssl -webdav"
-RUN eselect profile set default/linux/amd64/17.1
+RUN eselect profile set default/linux/amd64/17.1/no-multilib
 RUN mkdir -p /etc/portage/package.accept_keywords
 RUN echo 'app-portage/repoman' \
     >> /etc/portage/package.accept_keywords/portage
@@ -35,8 +35,8 @@ RUN rm -r /workdir/usr/lib64/python*/{unit,}test
 
 # Final image.
 FROM gentoo/portage:latest
-LABEL maintainer="tastytea+docker@tastytea.de"
+LABEL maintainer="tastytea+docker@tastytea.de" \
 LABEL description="Latest ~amd64 app-portage/repoman."
 COPY --from=build /workdir /
-RUN eselect profile set default/linux/amd64/17.1
+RUN eselect profile set default/linux/amd64/17.1/no-multilib
 ENV LANG "en_DK.utf8"