diff --git a/gradle.properties b/gradle.properties
index 10003cd..cba3d79 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 group=io.github.beradq.adybubbles
-version=2.5.0-SNAPSHOT
+version=2.5.1
 kotlin.incremental=true
 kotlin.incremental.java=true
 kotlin.caching.enabled=true
diff --git a/src/main/kotlin/io/github/beradq/adybubbles/Bubbles.kt b/src/main/kotlin/io/github/beradq/adybubbles/Bubbles.kt
index 0b2f305..b5d993c 100644
--- a/src/main/kotlin/io/github/beradq/adybubbles/Bubbles.kt
+++ b/src/main/kotlin/io/github/beradq/adybubbles/Bubbles.kt
@@ -1,7 +1,7 @@
 package io.github.beradq.adybubbles
 
 class Bubbles(val items: MutableList<String>, val config: BubbleConfig) : Cloneable {
-    private val state = BubbleState(0)
+    private val state = BubbleState(0, if (config.mode == ChatPopupMode.ONCE) -1L else 0)
     private var restDelay = config.restDelayRange.random()
     private var period = config.period.random()
 
@@ -20,7 +20,7 @@ class Bubbles(val items: MutableList<String>, val config: BubbleConfig) : Clonea
 
     data class BubbleState(
         var index: Int,
-        var timeCount: Long = 0
+        var timeCount: Long
     ) : Cloneable
 
     fun next(): String? {