diff --git a/package.json b/package.json
index 42a506d..59de3c1 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
         "charts"
     ],
     "license": "MIT",
-    "version": "0.0.38",
+    "version": "0.0.40",
     "type": "module",
     "main": "./dist/galaxy-charts.umd.cjs",
     "module": "./dist/galaxy-charts.js",
diff --git a/src/api/datasets.ts b/src/api/datasets.ts
index 5596cdb..de77e5c 100644
--- a/src/api/datasets.ts
+++ b/src/api/datasets.ts
@@ -27,6 +27,6 @@ export async function datasetsGetColumns(datasetId: string, columnList: string[]
     }
 }
 
-export function datasetsGetUrl(datasetId: string): string {
-    return `/api/datasets/${datasetId}/display`;
+export function datasetsGetUrl(root: string, datasetId: string): string {
+    return `${window.location.origin}${root}api/datasets/${datasetId}/display`;
 }
diff --git a/src/components/GalaxyCharts.vue b/src/components/GalaxyCharts.vue
index 7118911..eb181bc 100644
--- a/src/components/GalaxyCharts.vue
+++ b/src/components/GalaxyCharts.vue
@@ -67,7 +67,7 @@ if (visualizationConfig.dataset_url) {
     if (!datasetId) {
         errorMessage.value = "Visualization requires `dataset_id` or `dataset_url`.";
     } else {
-        datasetUrl.value = datasetsGetUrl(datasetId);
+        datasetUrl.value = datasetsGetUrl(root, datasetId);
         console.debug(`GalaxyCharts: Built dataset url from dataset id: ${datasetUrl.value}.`);
     }
 }