diff --git a/src/main/java/eu/omp/irap/vespa/epntapclient/view/ParamField.java b/src/main/java/eu/omp/irap/vespa/epntapclient/view/ParamField.java
index 3818fdf..87c2651 100644
--- a/src/main/java/eu/omp/irap/vespa/epntapclient/view/ParamField.java
+++ b/src/main/java/eu/omp/irap/vespa/epntapclient/view/ParamField.java
@@ -234,21 +234,22 @@ public abstract class ParamField extends JPanel {
 		Runnable updateComboBox = new Runnable() {
 			@Override
 			public void run() {
-				comboBox.removeAllItems();
-				for (String s : getItems(lastContent)) {
-					comboBox.addItem(s);
+				System.out.println("run updateComboBox");
+				String content = field.getText();
+				if (content.length() >= 2 && !content.equals(lastContent)) {
+					lastContent = content;
+					comboBox.removeAllItems();
+					for (String s : getItems(content)) {
+						comboBox.addItem(s);
+					}
+					comboBox.getEditor().setItem(content);
+					requestView.updateParam(paramName, content);
 				}
-				comboBox.getEditor().setItem(lastContent);
 			}
 		};
 
 		public void update(JTextField field) {
-			String content = field.getText();
-			if (content.length() >= 2 && !content.equals(lastContent)) {
-				lastContent = content;
-				SwingUtilities.invokeLater(updateComboBox);
-				requestView.updateParam(paramName, content);
-			}
+			SwingUtilities.invokeLater(updateComboBox);
 		}
 	}
 
--
libgit2 0.21.2