diff --git a/k6/performance-tests/graphql/DataCubeComponents.js b/k6/performance-tests/graphql/DataCubeComponents.js
index 63ce4cba0a..16bdc31519 100644
--- a/k6/performance-tests/graphql/DataCubeComponents.js
+++ b/k6/performance-tests/graphql/DataCubeComponents.js
@@ -52,4 +52,8 @@ export default function Components() {
   if (!check(res, { "Status code must be 200": (res) => res.status == 200 })) {
     fail("Status code was *not* 200!");
   }
+
+  if (res.error) {
+    fail("Error: " + res.error);
+  }
 }
diff --git a/k6/performance-tests/graphql/DataCubeMetadata.js b/k6/performance-tests/graphql/DataCubeMetadata.js
index 5c10525b23..8f2c7090c1 100644
--- a/k6/performance-tests/graphql/DataCubeMetadata.js
+++ b/k6/performance-tests/graphql/DataCubeMetadata.js
@@ -52,4 +52,8 @@ export default function Components() {
   if (!check(res, { "Status code must be 200": (res) => res.status == 200 })) {
     fail("Status code was *not* 200!");
   }
+
+  if (res.error) {
+    fail("Error: " + res.error);
+  }
 }
diff --git a/k6/performance-tests/graphql/DataCubeObservations.js b/k6/performance-tests/graphql/DataCubeObservations.js
index a22548a2fe..0dd60d3b2f 100644
--- a/k6/performance-tests/graphql/DataCubeObservations.js
+++ b/k6/performance-tests/graphql/DataCubeObservations.js
@@ -113,4 +113,8 @@ export default function Observations() {
   if (!check(res, { "Status code must be 200": (res) => res.status == 200 })) {
     fail("Status code was *not* 200!");
   }
+
+  if (res.error) {
+    fail("Error: " + res.error);
+  }
 }
diff --git a/k6/performance-tests/graphql/DataCubePreview.js b/k6/performance-tests/graphql/DataCubePreview.js
index cf347c1936..57f14818e0 100644
--- a/k6/performance-tests/graphql/DataCubePreview.js
+++ b/k6/performance-tests/graphql/DataCubePreview.js
@@ -53,4 +53,8 @@ export default function Components() {
   if (!check(res, { "Status code must be 200": (res) => res.status == 200 })) {
     fail("Status code was *not* 200!");
   }
+
+  if (res.error) {
+    fail("Error: " + res.error);
+  }
 }