diff --git a/compos/composd/src/instance_starter.rs b/compos/composd/src/instance_starter.rs
index 91a0e61..729e5b6 100644
--- a/compos/composd/src/instance_starter.rs
+++ b/compos/composd/src/instance_starter.rs
@@ -161,6 +161,7 @@
                 &env::var("BOOTCLASSPATH")?,
                 &env::var("DEX2OATBOOTCLASSPATH")?,
                 &env::var("SYSTEMSERVERCLASSPATH")?,
+                &env::var("STANDALONE_SYSTEMSERVER_JARS")?,
             )
             .context("Initializing *CLASSPATH")?;
         Ok(())