diff --git a/.changes/fix-correct-json-formatting.md b/.changes/fix-correct-json-formatting.md
new file mode 100644
index 0000000..8ef8ddd
--- /dev/null
+++ b/.changes/fix-correct-json-formatting.md
@@ -0,0 +1,5 @@
+---
+"tauri-build": patch
+---
+
+Correctly encode the output as JSON
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 5c68725..79ed207 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -13,7 +13,7 @@ async function run(): Promise<void> {
       debug: core.getBooleanInput('debug')
     })
 
-    core.setOutput('artifacts', artifacts)
+    core.setOutput('artifacts', JSON.stringify(artifacts))
   } catch (error) {
     if (error instanceof Error) core.setFailed(error.message)
   }