diff --git a/frontend/src/lib/components/customview.svelte b/frontend/src/lib/components/customview.svelte
index 3138b40..515b33f 100644
--- a/frontend/src/lib/components/customview.svelte
+++ b/frontend/src/lib/components/customview.svelte
@@ -74,7 +74,7 @@
                 const matrix = $metadataContent.result;
                 metadataNames = matrix[0].splice(1)
                 const sampleNames = matrix.slice(1).map(row => row[0]);
-                const sampleMatches = findMatchesSorted([sampleNames], $dataProcessed.result.sampleNames);
+                const sampleMatches = findMatchesSorted([sampleNames.map(s => s.toUpperCase())], $dataProcessed.result.sampleNames);
                 commonSamples = sampleMatches.map(m => sampleNames[m.rowIndex])
                 if(commonSamples.length == 0) {
                     set({error: 'Sample column in metadata must match first row of expression matrix'})
diff --git a/frontend/src/lib/utils/plot.js b/frontend/src/lib/utils/plot.js
index 2de649c..884995a 100644
--- a/frontend/src/lib/utils/plot.js
+++ b/frontend/src/lib/utils/plot.js
@@ -83,7 +83,7 @@ function getPlotScatter(heading, data, xName, yName, zName, orderZ, colorway=und
                 type: "scattergl",
                 mode: 'markers+text',
                 name: cat,
-                hovertext: hasName ? data.map(d => d.name) : undefined,
+                hovertext: hasName ? filtered.map(d => d.name) : undefined,
                 hoverinfo: "x+y+text+name",
                 hoverlabel: {
                     bgcolor: 'white',