diff --git a/ci/lib.sh b/ci/lib.sh
index a90d0dc0fd..8048335281 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -192,6 +192,9 @@ osx-clang|osx-gcc)
 GIT_TEST_GETTEXT_POISON)
 	export GIT_TEST_GETTEXT_POISON=true
 	;;
+Linux32)
+	CC=gcc
+	;;
 esac
 
 MAKEFLAGS="$MAKEFLAGS CC=${CC:-cc}"
diff --git a/ci/run-linux32-docker.sh b/ci/run-linux32-docker.sh
index 751acfcf8a..ebb18fa747 100755
--- a/ci/run-linux32-docker.sh
+++ b/ci/run-linux32-docker.sh
@@ -20,6 +20,7 @@ docker run \
 	--env GIT_PROVE_OPTS \
 	--env GIT_TEST_OPTS \
 	--env GIT_TEST_CLONE_2GB \
+	--env MAKEFLAGS \
 	--env cache_dir="$container_cache_dir" \
 	--volume "${PWD}:/usr/src/git" \
 	--volume "$cache_dir:$container_cache_dir" \