diff --git a/src/components/data-exploration/heatmap/HeatmapPlot.jsx b/src/components/data-exploration/heatmap/HeatmapPlot.jsx
index 03935757f..8281e1b10 100644
--- a/src/components/data-exploration/heatmap/HeatmapPlot.jsx
+++ b/src/components/data-exploration/heatmap/HeatmapPlot.jsx
@@ -342,7 +342,7 @@ const HeatmapPlot = (props) => {
         cellColorLabels={heatmapData.metadataTracks.labels}
         hideObservationLabels
         transpose
-        useDevicePixels=2
+        useDevicePixels={2}
         viewState={viewState}
         setViewState={setViewState}
         setCellHighlight={setCellHighlight}