diff --git a/lib/main.js b/lib/main.js
index 4ff0bf3..4211c7e 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -55,7 +55,7 @@ function run() {
             // If you want to upload yourself , need to write api call to upload as asset
             //core.setOutput("rpmPath", rpmPath)
             let myOutput = '';
-            cp.exec('ls /github/home/rpmbuild/SRPMS/', (err, stdout, stderr) => {
+            yield cp.exec('ls /github/home/rpmbuild/SRPMS/', (err, stdout, stderr) => {
                 if (err) {
                     //some err occurred
                     console.error(err);
@@ -67,6 +67,7 @@ function run() {
                     console.log(`stderr: ${stderr}`);
                 }
             });
+            myOutput = myOutput.trim();
             // only contents of workspace can be changed by actions and used by subsequent actions 
             // So copy all generated rpms into workspace , and publish output path relative to workspace
             yield exec.exec(`mkdir -p rpmbuild/SRPMS`);
diff --git a/src/main.ts b/src/main.ts
index deede10..90f2ee6 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -63,7 +63,7 @@ async function run() {
     //core.setOutput("rpmPath", rpmPath)
 
     let myOutput = '';
-    cp.exec('ls /github/home/rpmbuild/SRPMS/', (err, stdout, stderr) => {
+    await cp.exec('ls /github/home/rpmbuild/SRPMS/', (err, stdout, stderr) => {
       if (err) {
         //some err occurred
         console.error(err)
@@ -75,6 +75,7 @@ async function run() {
         }
       });
 
+    myOutput = myOutput.trim();
 
     // only contents of workspace can be changed by actions and used by subsequent actions 
     // So copy all generated rpms into workspace , and publish output path relative to workspace