diff --git a/.travis.yml b/.travis.yml
index 98c7776..0c4ade2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,10 +41,12 @@ before_install:
 install:
   - source ~/.cargo/env || true
   - |
-    echo "TRAVIS_RUST_VERSION:$TRAVIS_RUST_VERSION"
+    echo "TRAVIS_RUST_VERSION=\"$TRAVIS_RUST_VERSION\""
     if [ "$TRAVIS_RUST_VERSION" == "nightly" ]; then
+      echo "Installing preview"
       rustup component add rustfmt-preview
     else
+      echo "Installing standard"
       rustup component add rustfmt
     fi