diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/live/roulette/v2/RouletteService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/live/roulette/v2/RouletteService.kt
index 1b92053..6529381 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/live/roulette/v2/RouletteService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/live/roulette/v2/RouletteService.kt
@@ -237,7 +237,7 @@ class RouletteService(
         }
 
         val totalPercentage = items.map { it.percentage }.sum()
-        if (totalPercentage > 100.1f || totalPercentage < 99.9f) {
+        if (totalPercentage > 100.1f || totalPercentage <= 99.99f) {
             throw SodaException("확률이 100%가 아닙니다")
         }
     }