diff --git a/core/src/main/java/jenkins/model/Jenkins.java b/core/src/main/java/jenkins/model/Jenkins.java
index 31e6c5f3337f9a7f2be203660fdd588125d364a8..8528206628982dc967251dd5f54733becdb7d6a1 100755
--- a/core/src/main/java/jenkins/model/Jenkins.java
+++ b/core/src/main/java/jenkins/model/Jenkins.java
@@ -1570,6 +1570,7 @@ public class Jenkins extends AbstractCIBase implements ModifiableTopLevelItemGro
      */
     public Label getLabel(String expr) {
         if(expr==null)  return null;
+        expr = hudson.util.QuotedStringTokenizer.unquote(expr);
         while(true) {
             Label l = labels.get(expr);
             if(l!=null)
diff --git a/test/src/test/java/hudson/model/labels/LabelExpressionTest.java b/test/src/test/java/hudson/model/labels/LabelExpressionTest.java
index 4239b75ba7d23ce311a0bd5a4d7a1c12c3d4dc2b..60c85d80a84a3fc4a45c2c464a8f2f7c1a0be588 100644
--- a/test/src/test/java/hudson/model/labels/LabelExpressionTest.java
+++ b/test/src/test/java/hudson/model/labels/LabelExpressionTest.java
@@ -196,6 +196,10 @@ public class LabelExpressionTest extends HudsonTestCase {
     public void testQuote() {
         Label l = jenkins.getLabel("\"abc\\\\\\\"def\"");
         assertEquals("abc\\\"def",l.getName());
+        
+        l = jenkins.getLabel("label1||label2"); // create label expression
+        l = jenkins.getLabel("\"label1||label2\"");
+        assertEquals("label1||label2",l.getName());
     }
 
     /**