diff --git a/week1/00-tools-setup.md b/week1/00-tools-setup.md
index c2bf292b795def69c61043714913501722676323..7f4973b45744dff4a636fcc380605d8cc5ee5516 100644
--- a/week1/00-tools-setup.md
+++ b/week1/00-tools-setup.md
@@ -36,8 +36,8 @@ brew cask install adoptopenjdk8
 
 Set it as the default Java version:
 ```shell
-echo "export JAVA_HOME=$(/usr/libexec/java_home -v 1.8) >> ~/.bash_profile
-echo "export PATH="$JAVA_HOME/bin:$PATH" >> ~/.bash_profile
+echo 'export JAVA_HOME="$(/usr/libexec/java_home -v 1.8)"' >> ~/.bash_profile
+echo 'export PATH="$JAVA_HOME/bin:$PATH"' >> ~/.bash_profile
 ```
 
 ### On Windows