diff --git a/src/ruby.ts b/src/ruby.ts
index 1d141f49..c2a5354f 100644
--- a/src/ruby.ts
+++ b/src/ruby.ts
@@ -122,6 +122,9 @@ export class Ruby {
       cwd: this.workingFolder,
     });
 
+    if (result.stdout.trim() === "") {
+      result.stdout = "{ }";
+    }
     // eslint-disable-next-line no-process-env
     const env = { ...process.env, ...JSON.parse(result.stdout).exported };