diff --git a/debug/org.eclipse.cdt.debug.core/ChangeLog b/debug/org.eclipse.cdt.debug.core/ChangeLog
index 6f1bd7ff173..52648ee9cd9 100644
--- a/debug/org.eclipse.cdt.debug.core/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.core/ChangeLog
@@ -1,3 +1,7 @@
+2004-02-11 Mikhail Khodjaiants
+	In the 'reset' method check if value is an instance of CValue before type casting.
+	* CVariable.java
+
 2004-02-10 Mikhail Khodjaiants
 	Cache the endianness flag.
 	* CDebugTarget.java
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java
index f927702a986..a7149b88ac2 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java
@@ -730,8 +730,12 @@ public abstract class CVariable extends CDebugElement
 
 	protected void reset() throws DebugException
 	{
-		((CValue)getValue()).reset();
-		fireChangeEvent( DebugEvent.STATE );
+		IValue value = getValue();
+		if ( value instanceof CValue )
+		{
+			((CValue)getValue()).reset();
+			fireChangeEvent( DebugEvent.STATE );
+		}
 	}
 
 	/* (non-Javadoc)