diff --git a/performance/src/main/kotlin/org/jetbrains/ring/launcher.kt b/performance/src/main/kotlin/org/jetbrains/ring/launcher.kt
index 731a7ccf70a..700d1e75731 100644
--- a/performance/src/main/kotlin/org/jetbrains/ring/launcher.kt
+++ b/performance/src/main/kotlin/org/jetbrains/ring/launcher.kt
@@ -420,7 +420,9 @@ class Launcher(val numWarmIterations: Int, val numMeasureIterations: Int) {
 //-----------------------------------------------------------------------------//
 
     fun Double.toString(n: Int): String {
-        val str      = this.toString()
+        val str = this.toString()
+        if (str.contains('e', ignoreCase = true)) return str
+
         val len      = str.length
         val pointIdx = str.indexOf('.')
         val dropCnt  = len - pointIdx - n - 1