diff --git a/.travis.yml b/.travis.yml
index 65ae29eb8..3c2621ab7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,10 +15,10 @@ matrix:
 go_import_path: google.golang.org/grpc
 
 before_install:
+  - if [[ -n "$RUN386" ]]; then export GOARCH=386; fi
   - if [[ "$TRAVIS_GO_VERSION" = 1.10* && "$GOARCH" != "386" ]]; then ./vet.sh -install || exit 1; fi
 
 script:
-  - if [[ -n "$RUN386" ]]; then export GOARCH=386; fi
   - if [[ "$TRAVIS_GO_VERSION" = 1.10* && "$GOARCH" != "386" ]]; then ./vet.sh || exit 1; fi
   - make test || exit 1
   - if [[ "$GOARCH" != "386" ]]; then make testrace; fi