diff --git a/src/com/sheepit/client/standalone/Worker.java b/src/com/sheepit/client/standalone/Worker.java
index 6ff724d..d2ce58b 100644
--- a/src/com/sheepit/client/standalone/Worker.java
+++ b/src/com/sheepit/client/standalone/Worker.java
@@ -296,7 +296,7 @@ public class Worker {
 			case GuiSwing.type:
 				if (java.awt.GraphicsEnvironment.isHeadless()) {
 					System.out.println("Graphical ui can not be launch.");
-					System.out.println("You should set a DISPLAY or use a text ui (via -ui oneline or -ui text).");
+					System.out.println("You should set a DISPLAY or use a text ui (with -ui " + GuiTextOneLine.type + " or -ui " + GuiText.type + ").");
 					System.exit(3);
 				}
 				gui = new GuiSwing();