diff --git a/src/main/java/caosdb/server/accessControl/Pam.java b/src/main/java/caosdb/server/accessControl/Pam.java
index d66abb2141e22bdc1dc27cfe35c07c5cf4e9d442..0cae6fd74ae3924e868757e1f058a430a23b1ff3 100644
--- a/src/main/java/caosdb/server/accessControl/Pam.java
+++ b/src/main/java/caosdb/server/accessControl/Pam.java
@@ -75,6 +75,8 @@ public class Pam implements UserSource {
       pb.directory(script.getParentFile());
       final Process p = pb.start();
       p.getOutputStream().write(password.getBytes());
+      p.getOutputStream().write('\n');
+      p.getOutputStream().flush();
       return p;
     }