diff --git a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp
index 3b669447f87..5b2b97d43e4 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp
+++ b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage.cpp
@@ -561,7 +561,7 @@ bool LineEditField::validate(MacroExpander *expander, QString *message)
                 m_currentText.clear();
             }
         } else {
-            w->setText(expander->expand(m_defaultText));
+            setDefaultText(w, expander);
             m_isModified = false;
         }
     } else {
@@ -579,7 +579,7 @@ void LineEditField::initializeData(MacroExpander *expander)
     auto w = qobject_cast<FancyLineEdit *>(widget());
     QTC_ASSERT(w, return);
     m_isValidating = true;
-    w->setText(expander->expand(m_defaultText));
+    setDefaultText(w, expander);
     w->setPlaceholderText(m_placeholderText);
     m_isModified = false;
     m_isValidating = false;
@@ -595,6 +595,15 @@ QVariant LineEditField::toSettings() const
     return qobject_cast<FancyLineEdit *>(widget())->text();
 }
 
+void LineEditField::setDefaultText(FancyLineEdit *edit, MacroExpander *expander)
+{
+    if (!edit->text().isEmpty())
+        return;
+
+    const QString expandedText = expander->expand(m_defaultText);
+    edit->setText(expandedText);
+}
+
 // --------------------------------------------------------------------
 // TextEditFieldData:
 // --------------------------------------------------------------------
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h
index 6e91500b8eb..4a30dae3951 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h
+++ b/src/plugins/projectexplorer/jsonwizard/jsonfieldpage_p.h
@@ -111,6 +111,8 @@ private:
     void fromSettings(const QVariant &value) override;
     QVariant toSettings() const override;
 
+    void setDefaultText(Utils::FancyLineEdit *edit, Utils::MacroExpander *expander);
+
     bool m_isModified = false;
     bool m_isValidating = false;
     bool m_restoreLastHistoryItem = false;