diff --git a/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/SeriesAlgebra.kt b/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/SeriesAlgebra.kt
index e47e4f69f..92be97572 100644
--- a/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/SeriesAlgebra.kt
+++ b/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/SeriesAlgebra.kt
@@ -169,7 +169,7 @@ public open class SeriesAlgebra<T, out A : Ring<T>, out BA : BufferAlgebra<T, A>
     public inline fun Buffer<T>.mapWithLabel(crossinline transform: A.(arg: T, label: L) -> T): Series<T> {
         val labels = labels
         val buf = elementAlgebra.bufferFactory(size) {
-            elementAlgebra.transform(getByOffset(it), labels[it])
+            elementAlgebra.transform(get(it), labels[it])
         }
         return buf.moveTo(offsetIndices.first)
     }