diff --git a/dist/index.js b/dist/index.js
index b1a1aff5..b131b7fd 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -60,7 +60,12 @@ function run() {
         }
         catch (error) {
             core.debug(util_1.inspect(error));
-            core.setFailed(error.message);
+            if (error.status == 404) {
+                core.setFailed('Repository not found, OR token has insufficient permissions.');
+            }
+            else {
+                core.setFailed(error.message);
+            }
         }
     });
 }
diff --git a/src/main.ts b/src/main.ts
index 2758e3fc..6641def9 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -24,7 +24,13 @@ async function run(): Promise<void> {
     })
   } catch (error) {
     core.debug(inspect(error))
-    core.setFailed(error.message)
+    if (error.status == 404) {
+      core.setFailed(
+        'Repository not found, OR token has insufficient permissions.'
+      )
+    } else {
+      core.setFailed(error.message)
+    }
   }
 }