diff --git a/helpers/data.js b/helpers/data.js
index 9ad042ca..79250bc0 100644
--- a/helpers/data.js
+++ b/helpers/data.js
@@ -82,6 +82,7 @@ function isNumeric(cell) {
   if (!cell) {
     return false;
   }
+  cell = cell.trim(); // remove whitespaces
   if (cell.match(/^[+-]?\d+(\.\d+)?$/) === null) {
     return false;
   }
diff --git a/package-lock.json b/package-lock.json
index 724c0773..7603ae75 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "q-table",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 79c77fcb..c925bc1a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "q-table",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "",
   "main": "index.js",
   "scripts": {