diff --git a/frontend/src/lib/uPlotLib/plugins/onClickPlugin.ts b/frontend/src/lib/uPlotLib/plugins/onClickPlugin.ts
index 56a6f1e333..7dfbbe9b47 100644
--- a/frontend/src/lib/uPlotLib/plugins/onClickPlugin.ts
+++ b/frontend/src/lib/uPlotLib/plugins/onClickPlugin.ts
@@ -18,8 +18,9 @@ function onClickPlugin(opts: OnClickPluginOpts): uPlot.Plugin {
 				const mouseY = event.offsetY + 40;
 
 				// Convert pixel positions to data values
-				const xValue = u.posToVal(mouseX, 'x');
-				const yValue = u.posToVal(mouseY, 'y');
+				// do not use mouseX and mouseY here as it offsets the timestamp as well
+				const xValue = u.posToVal(event.offsetX, 'x');
+				const yValue = u.posToVal(event.offsetY, 'y');
 
 				opts.onClick(xValue, yValue, mouseX, mouseY);
 			};