diff --git a/debug/org.eclipse.cdt.debug.core/ChangeLog b/debug/org.eclipse.cdt.debug.core/ChangeLog
index 81fb0818ab9..48d3abf0386 100644
--- a/debug/org.eclipse.cdt.debug.core/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.core/ChangeLog
@@ -1,3 +1,7 @@
+2004-10-25 Mikhail Khodjaiants
+	NPE in "CVlaue.isUnsigned". Check if the type of the parent variable is null.
+	* CValue.java
+
 2004-10-25 David Inglis
 	Deprecated environment launch constent in favor of the constant provided by the debug.core.
 	* src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CValue.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CValue.java
index 6931114cbfc..5dbb71e0185 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CValue.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CValue.java
@@ -418,7 +418,8 @@ public class CValue extends AbstractCValue {
 		boolean result = false;
 		try {
 			ICType type = getParentVariable().getType();
-			result = type.isUnsigned();
+			if ( type != null )
+				result = type.isUnsigned();
 		}
 		catch( DebugException e ) {
 		}