diff --git a/set-java-home.xsh b/set-java-home.xsh
index 48af5180..74a55993 100644
--- a/set-java-home.xsh
+++ b/set-java-home.xsh
@@ -1,11 +1,10 @@
 #!/usr/bin/env xonsh
 
 def asdf_update_java_home() -> None:
-    $java_path=$(asdf which java)
-    if len($java_path) > 0:
-        $JAVA_HOME=$(dirname $(dirname $(realpath $java_path))).rstrip('\n')
+    java_path=$(asdf which java).rstrip('\n')
+    if java_path:
+        $JAVA_HOME=$(dirname $(dirname $(realpath @(java_path)))).rstrip('\n')
         $JDK_HOME=$JAVA_HOME
-    del $java_path
 
 @events.on_chdir
 def update_java_home_on_chdir(olddir, newdir, **kw) -> None: