diff --git a/app/src/main/java/de/luh/hci/mi/vibrationpattern/MainActivity.kt b/app/src/main/java/de/luh/hci/mi/vibrationpattern/MainActivity.kt
index 68c0c43..95c5cf1 100644
--- a/app/src/main/java/de/luh/hci/mi/vibrationpattern/MainActivity.kt
+++ b/app/src/main/java/de/luh/hci/mi/vibrationpattern/MainActivity.kt
@@ -93,7 +93,7 @@ class MainActivity : ComponentActivity() {
                             onClick = {
                                 vibrator.vibrate(
                                     VibrationEffect.createWaveform(
-                                        LongArray(Random.Default.nextInt(10)){
+                                        LongArray(Random.Default.nextInt(2,10)){
                                             Random.Default.nextLong(100, 2000)},
                                         1))
                                 isVibrating = true