diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts b/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts
index 19fe600ca31c9..c357b2a40ee9d 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformers.ts
@@ -456,18 +456,18 @@ export function getPadding(
   const yAxisOffset = addYAxisTitleOffset
     ? TIMESERIES_CONSTANTS.yAxisLabelTopOffset
     : 0;
-  const xAxisOffset = addXAxisTitleOffset ? xAxisTitleMargin || 0 : 0;
+  const xAxisOffset = addXAxisTitleOffset ? Number(xAxisTitleMargin) || 0 : 0;
   return getChartPadding(showLegend, legendOrientation, margin, {
     top:
       yAxisTitlePosition && yAxisTitlePosition === 'Top'
-        ? TIMESERIES_CONSTANTS.gridOffsetTop + (yAxisTitleMargin || 0)
+        ? TIMESERIES_CONSTANTS.gridOffsetTop + (Number(yAxisTitleMargin) || 0)
         : TIMESERIES_CONSTANTS.gridOffsetTop + yAxisOffset,
     bottom: zoomable
       ? TIMESERIES_CONSTANTS.gridOffsetBottomZoomable + xAxisOffset
       : TIMESERIES_CONSTANTS.gridOffsetBottom + xAxisOffset,
     left:
       yAxisTitlePosition === 'Left'
-        ? TIMESERIES_CONSTANTS.gridOffsetLeft + (yAxisTitleMargin || 0)
+        ? TIMESERIES_CONSTANTS.gridOffsetLeft + (Number(yAxisTitleMargin) || 0)
         : TIMESERIES_CONSTANTS.gridOffsetLeft,
     right:
       showLegend && legendOrientation === LegendOrientation.Right