diff --git a/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/ICDIFormattable.java b/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/ICDIFormattable.java
index 2a41362a4e2..7025f19f053 100644
--- a/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/ICDIFormattable.java
+++ b/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/ICDIFormattable.java
@@ -21,6 +21,7 @@ public interface ICDIFormattable {
 	 * @return one of the ICDIFormat constants, excluding 'NATURAL' and 'OCTAL'.
 	 *         Octal is not supported simply because the general support for it
 	 *         is lacking in CDT (apparently no one is asking for it).
+	 * @throws CDIException
 	 */
-	int getNaturalFormat();
+	int getNaturalFormat() throws CDIException;
 }
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 d349058a252..34bd4bbb8f6 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
@@ -566,7 +566,7 @@ public class CValue extends AbstractCValue {
 		}
 	}
 
-	private static CVariableFormat getNaturalFormat(ICDIValue value, CVariableFormat defaultFormat) {
+	private static CVariableFormat getNaturalFormat(ICDIValue value, CVariableFormat defaultFormat) throws CDIException {
 		if (value instanceof ICDIFormattable) {
 			int naturalFormat = ((ICDIFormattable)value).getNaturalFormat();
 			switch (naturalFormat) {