diff --git a/idea/src/org/jetbrains/kotlin/idea/intentions/loopToCallChain/result/FindTransformationMatcher.kt b/idea/src/org/jetbrains/kotlin/idea/intentions/loopToCallChain/result/FindTransformationMatcher.kt
index 7d2c4f152b4..46ab1677740 100644
--- a/idea/src/org/jetbrains/kotlin/idea/intentions/loopToCallChain/result/FindTransformationMatcher.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/intentions/loopToCallChain/result/FindTransformationMatcher.kt
@@ -225,7 +225,7 @@ object FindTransformationMatcher : TransformationMatcher {
         val filter = filterTransformation?.effectiveCondition()
 
         if (indexVariable != null) {
-            if (filterTransformation == null) return null // makes no sense, indexVariable must be always 0
+            if (filterTransformation == null) return null // makes no sense, indexVariable must be always null
             if (filterTransformation.indexVariable != null) return null // cannot use index in condition for indexOfFirst/indexOfLast
 
             //TODO: what if value when not found is not "-1"?