diff --git a/org.eclipse.ui.console/src/org/eclipse/ui/console/TextConsoleViewer.java b/org.eclipse.ui.console/src/org/eclipse/ui/console/TextConsoleViewer.java
index 51b8ba4..60a92be 100644
--- a/org.eclipse.ui.console/src/org/eclipse/ui/console/TextConsoleViewer.java
+++ b/org.eclipse.ui.console/src/org/eclipse/ui/console/TextConsoleViewer.java
@@ -142,7 +142,7 @@
 		StyledText textWidget = getTextWidget();
 		if (textWidget != null && !textWidget.isDisposed()) {
 			int lineCount = textWidget.getLineCount();
-			textWidget.setTopIndex(lineCount - 1);
+			textWidget.setTopIndex(lineCount > 0 ? lineCount - 1 : 0);
 		}
 
 	}