diff --git a/dist/index.js b/dist/index.js
index 529d1dc..c35eaf4 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -49777,6 +49777,12 @@ async function waitForInstance(taskId, taskName) {
         if (body[taskName].status.toLowerCase() === 'done') {
           await removeTask(taskId)
           return body
+        } else if (body[taskName].status.toLowerCase() === 'failed') {
+          await removeTask(taskId)
+          core.error(
+            `Instance task failed (details: ${body[taskName].status.details})`
+          )
+          core.setFailed('Failure occurred while waiting for instance.')
         }
       } else {
         core.error(
diff --git a/src/slab.js b/src/slab.js
index f2fcf88..698e1a3 100644
--- a/src/slab.js
+++ b/src/slab.js
@@ -69,6 +69,12 @@ async function waitForInstance(taskId, taskName) {
         if (body[taskName].status.toLowerCase() === 'done') {
           await removeTask(taskId)
           return body
+        } else if (body[taskName].status.toLowerCase() === 'failed') {
+          await removeTask(taskId)
+          core.error(
+            `Instance task failed (details: ${body[taskName].status.details})`
+          )
+          core.setFailed('Failure occurred while waiting for instance.')
         }
       } else {
         core.error(