diff --git a/pom.xml b/pom.xml
index 91cdd53c5..148a80884 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
     <description>Provides a modern and scalable web server as SIRIUS module</description>
 
     <properties>
-        <sirius.kernel>12.0-rc16</sirius.kernel>
+        <sirius.kernel>12.0-rc19</sirius.kernel>
     </properties>
 
     <dependencies>
diff --git a/src/main/java/sirius/web/crunchlog/CrunchlogKernel.java b/src/main/java/sirius/web/crunchlog/CrunchlogKernel.java
index 29691b7c6..027c22985 100644
--- a/src/main/java/sirius/web/crunchlog/CrunchlogKernel.java
+++ b/src/main/java/sirius/web/crunchlog/CrunchlogKernel.java
@@ -109,25 +109,27 @@ protected double maxCallFrequency() {
     }
 
     @Override
-    protected void doWork() throws Exception {
+    protected String doWork() throws Exception {
         if (buffer.isEmpty()) {
-            return;
+            return null;
         }
 
         if (!ensureWriterIsReady()) {
             buffer.clear();
-            return;
+            return null;
         }
 
         try {
+            int numWritten = 0;
             while (TaskContext.get().isActive()) {
                 Context line = buffer.poll();
                 if (line == null) {
-                    return;
+                    return "Crunchlogs written: " + numWritten;
                 }
                 String lineAsString = JSON.toJSONString(line);
                 currentWriter.write(lineAsString);
                 currentWriter.write("\n");
+                numWritten++;
             }
 
             currentWriter.flush();
@@ -140,6 +142,7 @@ protected void doWork() throws Exception {
             Exceptions.handle(Crunchlog.LOG, e);
             buffer.clear();
         }
+        return null;
     }
 
     /**