diff --git a/test/installation_iojs/nvm install v1 works b/test/installation_iojs/nvm install v1 works
index bb3e7c3..4498ee2 100755
--- a/test/installation_iojs/nvm install v1 works
+++ b/test/installation_iojs/nvm install v1 works
@@ -9,11 +9,11 @@
 NVM_TEST_VERSION="$(nvm_strip_iojs_prefix "$NVM_PREFIXED_TEST_VERSION")"
 
 # Remove the stuff we're clobbering.
-[ -e ../../$NVM_TEST_VERSION ] && rm -R ../../$NVM_TEST_VERSION
+[ -e "../../$NVM_TEST_VERSION" ] && rm -R "../../$NVM_TEST_VERSION"
 
 # Install from binary
 nvm install "$NVM_VERSION" || die "nvm install $NVM_VERSION failed"
 
 # Check
 [ -d "${NVM_DIR}/versions/io.js/$NVM_TEST_VERSION" ]
-nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION || die "'nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+nvm run "$NVM_PREFIXED_TEST_VERSION" --version | grep "$NVM_TEST_VERSION" || die "'nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"