diff --git a/launch/org.eclipse.cdt.launch/ChangeLog b/launch/org.eclipse.cdt.launch/ChangeLog
index 9fca758dcfb..83a3637930d 100644
--- a/launch/org.eclipse.cdt.launch/ChangeLog
+++ b/launch/org.eclipse.cdt.launch/ChangeLog
@@ -1,3 +1,7 @@
+2002-11-14 Thomas Fletcher
+	* src/.../launch/ui/CMainTab.java
+	Updated error condition to catch closed projects.
+
 2002-11-13 Thomas Fletcher
 	* src/.../launch/ui/CDebuggerTab.java
 	Updated punctuation.
diff --git a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CMainTab.java b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CMainTab.java
index fdaa27b2d7c..83b1810a563 100644
--- a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CMainTab.java
+++ b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CMainTab.java
@@ -324,6 +324,10 @@ public class CMainTab extends CLaunchConfigurationTab {
 			setErrorMessage("Program does not exist");
 			return false;
 		}
+		if (!project.isOpen()) {
+			setErrorMessage("Project must be opened");
+			return false;
+		}
 		if (!project.getFile(name).exists()) {
 			setErrorMessage("Program does not exist");
 			return false;