diff --git a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIAsyncRecord.java b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIAsyncRecord.java
index 61d7c235ec6..c6270f116bb 100644
--- a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIAsyncRecord.java
+++ b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIAsyncRecord.java
@@ -21,7 +21,7 @@ public abstract class MIAsyncRecord extends MIOOBRecord {
 
     MIResult[] results = null;
     String asynClass = ""; //$NON-NLS-1$
-    int token = 0;
+    int token = -1;
 
     public int getToken() {
         return token;
@@ -53,7 +53,7 @@ public abstract class MIAsyncRecord extends MIOOBRecord {
     @Override
     public String toString() {
         StringBuffer buffer = new StringBuffer();
-        if (token != 0) {
+        if (token > 0) {
             buffer.append(token);
         }
         if (this instanceof MIExecAsyncOutput) {
diff --git a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIResultRecord.java b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIResultRecord.java
index c29e1a6ce2d..7e809681955 100644
--- a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIResultRecord.java
+++ b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/output/MIResultRecord.java
@@ -57,7 +57,10 @@ public class MIResultRecord {
     @Override
     public String toString() {
         StringBuffer buffer = new StringBuffer();
-        buffer.append(token).append('^').append(resultClass);
+        if (token > 0) {
+        	buffer.append(token);
+        }
+        buffer.append('^').append(resultClass);
         for (int i = 0; i < results.length; i++) {
             buffer.append(',').append(results[i].toString());
         }