diff --git a/src/NiceHashBot/FormSettings.cs b/src/NiceHashBot/FormSettings.cs
index 64f1506..74953bc 100644
--- a/src/NiceHashBot/FormSettings.cs
+++ b/src/NiceHashBot/FormSettings.cs
@@ -42,6 +42,12 @@ private void button1_Click(object sender, EventArgs e)
             }
 
             TwoFASecret = textBox2.Text;
+            if (TwoFASecret.Length != 0 && TwoFASecret.Length != 16)
+            {
+                MessageBox.Show("Two Factor secret key needs to be exactly 16 characters!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                textBox2.Focus();
+                return;
+            }
 
             DialogResult = System.Windows.Forms.DialogResult.OK;
             Close();
diff --git a/src/NiceHashBot/Properties/AssemblyInfo.cs b/src/NiceHashBot/Properties/AssemblyInfo.cs
index 6472d90..d977927 100644
--- a/src/NiceHashBot/Properties/AssemblyInfo.cs
+++ b/src/NiceHashBot/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.1.3")]
-[assembly: AssemblyFileVersion("1.0.1.3")]
+[assembly: AssemblyVersion("1.0.1.4")]
+[assembly: AssemblyFileVersion("1.0.1.4")]
diff --git a/src/NiceHashBotLib/APIWrapper.cs b/src/NiceHashBotLib/APIWrapper.cs
index fda39cc..a328d76 100644
--- a/src/NiceHashBotLib/APIWrapper.cs
+++ b/src/NiceHashBotLib/APIWrapper.cs
@@ -33,7 +33,7 @@ public class APIWrapper
         /// <summary>
         /// Total number of algorithms.
         /// </summary>
-        public readonly static int NUMBER_OF_ALGORITHMS = 13;
+        public readonly static int NUMBER_OF_ALGORITHMS = ALGORITHM_NAME.Length;
 
         /// <summary>
         /// Price decrease steps for all algorithms.