diff -ruN kdelibs-3.5.7-orig/kdeui/kpassdlg.cpp kdelibs-3.5.7/kdeui/kpassdlg.cpp
--- kdelibs-3.5.7-orig/kdeui/kpassdlg.cpp	2007-01-15 14:34:22 +0300
+++ kdelibs-3.5.7/kdeui/kpassdlg.cpp	2007-05-30 16:18:19 +0400
@@ -206,8 +206,12 @@
 	if (e->state() & (ControlButton | AltButton))
 	    e->ignore();
 	else if (m_Length) {
-	    m_Password[--m_Length] = '\000';
-	    showPass();
+            QString newStr = QString::fromLocal8Bit(m_Password, m_Length);
+            unsigned int newLen = newStr.length();
+            newLen = newLen ? newLen - 1 : 0;
+            newStr.setLength(newLen);
+            erase();
+            insert(newStr);
 	}
 	break;
     default:
@@ -263,14 +267,15 @@
 void KPasswordEdit::showPass()
 {
     QString tmp;
+    QString newStr = QString::fromLocal8Bit(m_Password, m_Length);
 
     switch (m_EchoMode) {
     case OneStar:
-	tmp.fill('*', m_Length);
+	tmp.fill('*', newStr.length());
 	setText(tmp);
 	break;
     case ThreeStars:
-	tmp.fill('*', m_Length*3);
+	tmp.fill('*', newStr.length()*3);
 	setText(tmp);
 	break;
     case NoEcho: default: