diff --git a/src/nodash/core/NoUtil.java b/src/nodash/core/NoUtil.java
index 0153528..293676d 100644
--- a/src/nodash/core/NoUtil.java
+++ b/src/nodash/core/NoUtil.java
@@ -62,7 +62,7 @@ public final class NoUtil {
       Class<? extends NoUser> clazz = (Class<? extends NoUser>) Class.forName(secretEnv);
       return clazz;
     } catch (ClassNotFoundException e) {
-      throw new RuntimeException("Can't find NODASH_USER_CLASS");
+      throw new RuntimeException("Can't find NODASH_USER_CLASS", e);
     }
   }