diff --git a/src/gui/PasswordGeneratorWidget.cpp b/src/gui/PasswordGeneratorWidget.cpp
index 17cd64d82..acb93b630 100644
--- a/src/gui/PasswordGeneratorWidget.cpp
+++ b/src/gui/PasswordGeneratorWidget.cpp
@@ -349,7 +349,7 @@ void PasswordGeneratorWidget::setAdvancedMode(bool advanced)
 
 void PasswordGeneratorWidget::excludeHexChars()
 {
-    m_ui->editExcludedChars->setText("GHIJKLMNOPQRSTUVWXYZghijklmnopqrstuvwxyz");
+    m_ui->editExcludedChars->setText("GHIJKLMNOPQRSTUVWXYZ");
     m_ui->checkBoxNumbers->setChecked(true);
     m_ui->checkBoxUpper->setChecked(true);