diff --git a/deploy/aws/java11Exec/src/main/java/poseidon/App.java b/deploy/aws/java11Exec/src/main/java/poseidon/App.java
index 48b1591c..a81a0973 100644
--- a/deploy/aws/java11Exec/src/main/java/poseidon/App.java
+++ b/deploy/aws/java11Exec/src/main/java/poseidon/App.java
@@ -96,7 +96,7 @@ public APIGatewayProxyResponseEvent handleRequest(final APIGatewayV2WebSocketEve
             ProcessBuilder pb = new ProcessBuilder(cmd);
             pb.directory(workingDirectory);
             Map<String, String> env = pb.environment();
-            env.put("CLASSPATH", ".:/var/task/lib/org.hamcrest.hamcrest-core-3.0.jar:/var/task/lib/junit.junit-4.13.2.jar:" + env.get("CLASSPATH"));
+            env.put("CLASSPATH", ".:/var/task/lib/org.hamcrest.hamcrest-3.0.jar:/var/task/lib/junit.junit-4.13.2.jar:" + env.get("CLASSPATH"));
             Process p = pb.start();
             InputStream stdout = p.getInputStream(), stderr = p.getErrorStream();
             this.forwardOutput(p, stdout, stderr);