diff --git a/src/main/java/rife/bld/operations/RunOperation.java b/src/main/java/rife/bld/operations/RunOperation.java
index 39c3717..db18a26 100644
--- a/src/main/java/rife/bld/operations/RunOperation.java
+++ b/src/main/java/rife/bld/operations/RunOperation.java
@@ -49,7 +49,7 @@ public class RunOperation extends AbstractProcessOperation<RunOperation> {
         else if (mainClass() != null && !mainClass().isEmpty()){
             args.add(mainClass());
         }
-        else {
+        else if (!silent()) {
             System.err.println("No main class or module specified.");
         }