diff --git a/core/java/android/pim/vcard/VCardComposer.java b/core/java/android/pim/vcard/VCardComposer.java
index f9dce25..7807595 100644
--- a/core/java/android/pim/vcard/VCardComposer.java
+++ b/core/java/android/pim/vcard/VCardComposer.java
@@ -414,8 +414,10 @@
         appendVCardLine(builder, VCARD_PROPERTY_FULL_NAME, phoneName, needCharset, false);
         appendVCardLine(builder, VCARD_PROPERTY_NAME, phoneName, needCharset, false);
 
-        String label = Integer.toString(phonetype);
-        appendVCardTelephoneLine(builder, phonetype, label, phoneNumber);
+        if (!TextUtils.isEmpty(phoneNumber)) {
+            String label = Integer.toString(phonetype);
+            appendVCardTelephoneLine(builder, phonetype, label, phoneNumber);
+        }
 
         appendVCardLine(builder, VCARD_PROPERTY_END, VCARD_DATA_VCARD);