diff --git a/core/meson.build b/core/meson.build
index 2256757..be0635b 100644
--- a/core/meson.build
+++ b/core/meson.build
@@ -28,6 +28,7 @@ core_sources = [
   'src/Data/ArrayDataIterator.cpp',
   'src/Data/VectorSeries.cpp',
   'src/Data/OptionalAxis.cpp',
+  'src/Data/DataSeriesUtils.cpp',
   'src/DataSource/DataSourceController.cpp',
   'src/DataSource/DataSourceItem.cpp',
   'src/DataSource/DataSourceItemAction.cpp',