diff --git a/batchprint.pyw b/batchprint.pyw
index 76feba5..973d0e5 100755
--- a/batchprint.pyw
+++ b/batchprint.pyw
@@ -608,6 +608,20 @@ class mainWindow(QMainWindow):
 		writeConfigFile("lastProfile.txt",self.cProfileDropdown.currentText())
 		windows.remove(self)
 
+def onFocusChanged(old,current):
+	if type(current) == QLineEdit:
+		def f():
+			try:
+				current.selectAll()
+			except:
+				pass
+		
+		global markTimer
+		markTimer = QTimer()
+		markTimer.setSingleShot(True)
+		markTimer.timeout.connect(f)
+		markTimer.start(0)
+
 windows = []
 def main():
 	if not os.path.isdir(p(configDir,"profiles")):
@@ -617,6 +631,7 @@ def main():
 		saveProfile(defaultProfile,"default")
 	
 	app = QApplication(sys.argv)
+	app.focusChanged.connect(onFocusChanged)
 	windows.append(mainWindow())
 	app.exec_()
 main()