diff --git a/src/ColoredSecureTextBox.cs b/src/ColoredSecureTextBox.cs
index bf3cd88..c2d175f 100644
--- a/src/ColoredSecureTextBox.cs
+++ b/src/ColoredSecureTextBox.cs
@@ -208,7 +208,7 @@ public override void EnableProtection(bool bEnable)
 
 		private void EnableProtectionInternal(bool bEnable)
 		{
-			if (!IsDisposed || Disposing) return;
+			if (IsDisposed || Disposing) return;
 			if (bEnable)
 			{
 				Visible = true;
diff --git a/src/Properties/AssemblyInfo.cs b/src/Properties/AssemblyInfo.cs
index feac855..815f794 100644
--- a/src/Properties/AssemblyInfo.cs
+++ b/src/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
 // indem Sie "*" wie unten gezeigt eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.14.2")]
-[assembly: AssemblyFileVersion("0.14.2")]
+[assembly: AssemblyVersion("0.14.3")]
+[assembly: AssemblyFileVersion("0.14.3")]
diff --git a/version.info b/version.info
index f076bce..324a4f7 100644
--- a/version.info
+++ b/version.info
@@ -1,5 +1,5 @@
 :
-ColoredPassword:0.14.2
+ColoredPassword:0.14.3
 ColoredPassword!de:6
 ColoredPassword!pl:2
 ColoredPassword!pt:2