diff --git a/Telegram/SourceFiles/statistics/view/abstract_chart_view.cpp b/Telegram/SourceFiles/statistics/view/abstract_chart_view.cpp
index 0b0a19b19..d2c8e6bae 100644
--- a/Telegram/SourceFiles/statistics/view/abstract_chart_view.cpp
+++ b/Telegram/SourceFiles/statistics/view/abstract_chart_view.cpp
@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "statistics/view/abstract_chart_view.h"
 
 #include "data/data_statistics_chart.h"
+#include "statistics/chart_lines_filter_controller.h"
 
 namespace Statistic {
 
@@ -65,4 +66,37 @@ auto AbstractChartView::linesFilterController() const
 	return _linesFilterController;
 }
 
+AbstractChartView::HeightLimits DefaultHeightLimits(
+		const DoubleLineRatios &ratios,
+		const std::shared_ptr<LinesFilterController> &linesFilter,
+		Data::StatisticalChart &chartData,
+		Limits xIndices) {
+	auto minValue = std::numeric_limits<int>::max();
+	auto maxValue = 0;
+
+	auto minValueFull = std::numeric_limits<int>::max();
+	auto maxValueFull = 0;
+	for (auto &l : chartData.lines) {
+		if (!linesFilter->isEnabled(l.id)) {
+			continue;
+		}
+		const auto r = ratios.ratio(l.id);
+		const auto lineMax = l.segmentTree.rMaxQ(xIndices.min, xIndices.max);
+		const auto lineMin = l.segmentTree.rMinQ(xIndices.min, xIndices.max);
+		maxValue = std::max(int(lineMax * r), maxValue);
+		minValue = std::min(int(lineMin * r), minValue);
+
+		maxValueFull = std::max(int(l.maxValue * r), maxValueFull);
+		minValueFull = std::min(int(l.minValue * r), minValueFull);
+	}
+	if (maxValue == minValue) {
+		maxValue = chartData.maxValue;
+		minValue = chartData.minValue;
+	}
+	return {
+		.full = Limits{ float64(minValueFull), float64(maxValueFull) },
+		.ranged = Limits{ float64(minValue), float64(maxValue) },
+	};
+}
+
 } // namespace Statistic
diff --git a/Telegram/SourceFiles/statistics/view/abstract_chart_view.h b/Telegram/SourceFiles/statistics/view/abstract_chart_view.h
index 07d84fb09..32b5783ec 100644
--- a/Telegram/SourceFiles/statistics/view/abstract_chart_view.h
+++ b/Telegram/SourceFiles/statistics/view/abstract_chart_view.h
@@ -118,4 +118,10 @@ private:
 
 };
 
+AbstractChartView::HeightLimits DefaultHeightLimits(
+	const DoubleLineRatios &ratios,
+	const std::shared_ptr<LinesFilterController> &linesFilter,
+	Data::StatisticalChart &chartData,
+	Limits xIndices);
+
 } // namespace Statistic
diff --git a/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp b/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp
index e36ae6312..de0c882f2 100644
--- a/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp
+++ b/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp
@@ -214,32 +214,11 @@ AbstractChartView::HeightLimits LinearChartView::heightLimits(
 		_cachedLineRatios.init(chartData);
 	}
 
-	auto minValue = std::numeric_limits<int>::max();
-	auto maxValue = 0;
-
-	auto minValueFull = std::numeric_limits<int>::max();
-	auto maxValueFull = 0;
-	for (auto &l : chartData.lines) {
-		if (!linesFilterController()->isEnabled(l.id)) {
-			continue;
-		}
-		const auto r = _cachedLineRatios.ratio(l.id);
-		const auto lineMax = l.segmentTree.rMaxQ(xIndices.min, xIndices.max);
-		const auto lineMin = l.segmentTree.rMinQ(xIndices.min, xIndices.max);
-		maxValue = std::max(int(lineMax * r), maxValue);
-		minValue = std::min(int(lineMin * r), minValue);
-
-		maxValueFull = std::max(int(l.maxValue * r), maxValueFull);
-		minValueFull = std::min(int(l.minValue * r), minValueFull);
-	}
-	if (maxValue == minValue) {
-		maxValue = chartData.maxValue;
-		minValue = chartData.minValue;
-	}
-	return {
-		.full = Limits{ float64(minValueFull), float64(maxValueFull) },
-		.ranged = Limits{ float64(minValue), float64(maxValue) },
-	};
+	return DefaultHeightLimits(
+		_cachedLineRatios,
+		linesFilterController(),
+		chartData,
+		xIndices);
 }
 
 } // namespace Statistic