diff --git a/.travis.yml b/.travis.yml
index e7d6531..9ad0c85 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,13 @@ rust:
   - beta
   - nightly
 before_script:
-  - rustup component add rustfmt-preview
+  - bash -c 'if [[ "$TRAVIS_RUST_VERSION" == "nightly*" ]]; then
+        rustup component add rustfmt-preview
+    fi'
 script:
-  - cargo fmt --all -- --check
+  - bash -c 'if [[ "$TRAVIS_RUST_VERSION" == "nightly*" ]]; then
+        cargo fmt --all -- --check
+    fi'
   - cargo build
   - cargo test
 matrix: