1 files changed, 2 insertions, 0 deletions
diff --git a/src/widgets/qlineedit.cpp b/src/widgets/qlineedit.cpp
index 2cc64e017..196e097ce 100644
--- a/src/widgets/qlineedit.cpp
+++ b/src/widgets/qlineedit.cpp
@@ -461,7 +461,9 @@ TQLineEdit::~TQLineEdit()
 {
     if ((d->echoMode == NoEcho) || (d->echoMode == Password) || (d->echoMode == PasswordThreeStars)) {
 	d->text.fill(TQChar(0));
+#if defined(Q_OS_LINUX)
 	munlock(d->text.d->unicode, LINUX_MEMLOCK_LIMIT_BYTES);
+#endif
     }
     delete [] d->maskData;
     delete d;