diff --git a/action.js b/action.js
index c86884c..3a2157d 100644
--- a/action.js
+++ b/action.js
@@ -61,7 +61,7 @@ async function updateGoVersion(goVersion) {
 }
   
 async function detectGitChanges() {
-    let gitChanges;
+    let gitChanges = '';
     const execOptionsGitChanges = {};
     execOptionsGitChanges.listeners = {
       stdout: (data) => {
@@ -77,7 +77,7 @@ async function detectGitChanges() {
     core.info("gitChanges undefined check end")
 
     core.info("gitChanges not empty check: ")
-    core.info(gitChanges !== "")
+    core.info(gitChanges != "")
     core.info("gitChanges not empty check end")
 
     core.info("gitChanges output: ")
@@ -87,7 +87,7 @@ async function detectGitChanges() {
     core.info("Whole check evaluation: ")
     core.info(gitChanges !== undefined && gitChanges !== "")
     core.info("Whole check evaluation end")
-    return gitChanges !== undefined && gitChanges !== ""
+    return gitChanges !== ''
 }
 
 async function branchWithNameAlreadyExist(githubToken, branchName, repoOwner, repoName) {
diff --git a/dist/index.js b/dist/index.js
index bd82b97..901bbdf 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -67,7 +67,7 @@ async function updateGoVersion(goVersion) {
 }
   
 async function detectGitChanges() {
-    let gitChanges;
+    let gitChanges = '';
     const execOptionsGitChanges = {};
     execOptionsGitChanges.listeners = {
       stdout: (data) => {
@@ -83,7 +83,7 @@ async function detectGitChanges() {
     core.info("gitChanges undefined check end")
 
     core.info("gitChanges not empty check: ")
-    core.info(gitChanges !== "")
+    core.info(gitChanges != "")
     core.info("gitChanges not empty check end")
 
     core.info("gitChanges output: ")
@@ -93,7 +93,7 @@ async function detectGitChanges() {
     core.info("Whole check evaluation: ")
     core.info(gitChanges !== undefined && gitChanges !== "")
     core.info("Whole check evaluation end")
-    return gitChanges !== undefined && gitChanges !== ""
+    return gitChanges !== ''
 }
 
 async function branchWithNameAlreadyExist(githubToken, branchName, repoOwner, repoName) {