diff --git a/library/compiler-builtins/.travis.yml b/library/compiler-builtins/.travis.yml
index 61b17134072c..82ca5d8222c5 100644
--- a/library/compiler-builtins/.travis.yml
+++ b/library/compiler-builtins/.travis.yml
@@ -45,7 +45,8 @@ install:
 
 script:
   # work around rust-lang/cargo#3340
-  - export SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
+  - test "$TRAVIS_OS_NAME" = "osx" ||
+      export SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
   - cargo generate-lockfile
   - if [[ $TRAVIS_OS_NAME = "linux" ]]; then
       sudo apt-get remove -y qemu-user-static &&