diff --git a/DS4Windows/DS4Forms/DS4Form.cs b/DS4Windows/DS4Forms/DS4Form.cs
index d89b20c..cd4f967 100644
--- a/DS4Windows/DS4Forms/DS4Form.cs
+++ b/DS4Windows/DS4Forms/DS4Form.cs
@@ -786,7 +786,7 @@ namespace DS4Windows
             FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location);
             string version = fvi.FileVersion;
             string newversion = File.ReadAllText(appdatapath + "\\version.txt").Trim();
-            if (version.Replace(',', '.').CompareTo(newversion) != 0)
+            if (!string.IsNullOrWhiteSpace(newversion) && version.Replace(',', '.').CompareTo(newversion) != 0)
             {
                 if ((DialogResult)this.Invoke(new Func<DialogResult>(() => {
                     return MessageBox.Show(Properties.Resources.DownloadVersion.Replace("*number*", newversion),
@@ -2097,7 +2097,7 @@ Properties.Resources.DS4Update, MessageBoxButtons.YesNo, MessageBoxIcon.Question
             FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location);
             string version2 = fvi.FileVersion;
             string newversion2 = File.ReadAllText(appdatapath + "\\version.txt").Trim();
-            if (version2.Replace(',', '.').CompareTo(newversion2) != 0)
+            if (!string.IsNullOrWhiteSpace(newversion2) && version2.Replace(',', '.').CompareTo(newversion2) != 0)
             {
                 if ((DialogResult)this.Invoke(new Func<DialogResult>(() =>
                 {