diff --git a/testapp/build.gradle b/testapp/build.gradle
index b343e5be..779836e0 100644
--- a/testapp/build.gradle
+++ b/testapp/build.gradle
@@ -74,7 +74,10 @@ jar {
 // Configure application run task
 application {
     mainClass.set("de.staropensource.sosengine.testapp.Main")
-    applicationDefaultJvmArgs = [  // List of nice development configuration overrides
+    applicationDefaultJvmArgs = [
+            // Display GC log
+            "-Xlog:gc",
+            
             // Set log level to DIAGNOSTIC
             "-Dsosengine.base.loggerLevel=diagnostic",
 
@@ -123,6 +126,7 @@ tasks.register('runNativeImage', Exec) {
     dependsOn(nativeImage)
 
     args(
+            "-Xlog:gc",
             "-Dsosengine.base.loggerLevel=diagnostic",
             "-Dsosengine.base.loggerForceStandardOutput=true",
             "-Dsosengine.base.initialForceDisableClasspathScanning=true",