Index: java/org/apache/poi/hssf/usermodel/HSSFSheet.java
===================================================================
--- java/org/apache/poi/hssf/usermodel/HSSFSheet.java	(revision 1207811)
+++ java/org/apache/poi/hssf/usermodel/HSSFSheet.java	(working copy)
@@ -1692,10 +1692,6 @@
         int found = _sheet.aggregateDrawingRecords(
                 _book.getDrawingManager(), false
         );
-        if(found == -1) {
-            // Workbook has drawing stuff, but this sheet doesn't
-            return null;
-        }
 
         // Grab our aggregate record, and wire it up
         EscherAggregate agg = (EscherAggregate) _sheet.findFirstRecordBySid(EscherAggregate.sid);