diff --git a/java/com/android/dialer/calllog/datasources/phonelookup/PhoneLookupDataSource.java b/java/com/android/dialer/calllog/datasources/phonelookup/PhoneLookupDataSource.java
index cdde638..508191c 100644
--- a/java/com/android/dialer/calllog/datasources/phonelookup/PhoneLookupDataSource.java
+++ b/java/com/android/dialer/calllog/datasources/phonelookup/PhoneLookupDataSource.java
@@ -403,6 +403,7 @@
     return idsByNumber;
   }
 
+  /** Returned map must have same keys as {@code uniqueDialerPhoneNumbers} */
   private ImmutableMap<DialerPhoneNumber, PhoneLookupInfo> queryPhoneLookupHistoryForNumbers(
       Context appContext, Set<DialerPhoneNumber> uniqueDialerPhoneNumbers) {
     DialerPhoneNumberUtil dialerPhoneNumberUtil =
@@ -431,13 +432,9 @@
                 selection,
                 normalizedNumbers,
                 null)) {
-
       if (cursor == null) {
         LogUtil.e("PhoneLookupDataSource.queryPhoneLookupHistoryForNumbers", "null cursor");
-        return ImmutableMap.of();
-      }
-
-      if (cursor.moveToFirst()) {
+      } else if (cursor.moveToFirst()) {
         int normalizedNumberColumn =
             cursor.getColumnIndexOrThrow(PhoneLookupHistory.NORMALIZED_NUMBER);
         int phoneLookupInfoColumn =