diff --git a/dist/index.js b/dist/index.js
index 0838c26..1180904 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -5187,7 +5187,7 @@ class Parser extends Transform {
         ], this.options, this.__context(), {
           record: record,
         })
-      if(relax_column_count === true || 
+      if(relax_column_count === true ||
         (relax_column_count_less === true && recordLength < this.state.expectedRecordLength) ||
         (relax_column_count_more === true && recordLength > this.state.expectedRecordLength) ){
         this.info.invalid_field_length++
@@ -5217,7 +5217,7 @@ class Parser extends Transform {
         for(let i = 0, l = record.length; i < l; i++){
           if(columns[i] === undefined || columns[i].disabled) continue
           // Turn duplicate columns into an array
-          if (columns_duplicates_to_array === true && obj[columns[i].name]) {
+          if (columns_duplicates_to_array === true && obj[columns[i].name] !== undefined) {
             if (Array.isArray(obj[columns[i].name])) {
               obj[columns[i].name] = obj[columns[i].name].concat(record[i])
             } else {
diff --git a/package.json b/package.json
index a1c9103..9de9a53 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "dependencies": {
     "@actions/core": "^1.2.7",
     "@actions/exec": "^1.0.4",
-    "csv-parse": "^4.15.3",
+    "csv-parse": "^4.15.4",
     "semver": "^7.3.5"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index e87874c..9ce0019 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1114,10 +1114,10 @@ cssstyle@^2.2.0:
   dependencies:
     cssom "~0.3.6"
 
-csv-parse@^4.15.3:
-  version "4.15.3"
-  resolved "https://registry.yarnpkg.com/csv-parse/-/csv-parse-4.15.3.tgz#8a62759617a920c328cb31c351b05053b8f92b10"
-  integrity sha512-jlTqDvLdHnYMSr08ynNfk4IAUSJgJjTKy2U5CQBSu4cN9vQOJonLVZP4Qo4gKKrIgIQ5dr07UwOJdi+lRqT12w==
+csv-parse@^4.15.4:
+  version "4.15.4"
+  resolved "https://registry.yarnpkg.com/csv-parse/-/csv-parse-4.15.4.tgz#ad1ec62aaf71a642982dfcb81f1848184d691db5"
+  integrity sha512-OdBbFc0yZhOm17lSxqkirrHlFFVpKRT0wp4DAGoJelsP3LbGzV9LNr7XmM/lrr0uGkCtaqac9UhP8PDHXOAbMg==
 
 dashdash@^1.12.0:
   version "1.14.1"