diff --git a/poi-integration/src/test/java/org/apache/poi/stress/SlideShowHandler.java b/poi-integration/src/test/java/org/apache/poi/stress/SlideShowHandler.java
index 305793cd1e..9166094540 100644
--- a/poi-integration/src/test/java/org/apache/poi/stress/SlideShowHandler.java
+++ b/poi-integration/src/test/java/org/apache/poi/stress/SlideShowHandler.java
@@ -29,6 +29,7 @@ import java.lang.ref.WeakReference;
 import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
 import org.apache.poi.sl.draw.Drawable;
 import org.apache.poi.sl.usermodel.GroupShape;
+import org.apache.poi.sl.usermodel.MasterSheet;
 import org.apache.poi.sl.usermodel.Notes;
 import org.apache.poi.sl.usermodel.PictureData;
 import org.apache.poi.sl.usermodel.Shape;
@@ -76,8 +77,11 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
                 }
             }
 
-            for (Shape<?,?> shape : s.getMasterSheet()) {
-                readShapes(shape);
+            MasterSheet<?, ?> masterSheet = s.getMasterSheet();
+            if (masterSheet != null) {
+                for (Shape<?,?> shape : masterSheet) {
+                    readShapes(shape);
+                }
             }
         }
     }
diff --git a/test-data/slideshow/7ffe3cabb976ebc593dfe2f9461bdeac980a626c.ppt b/test-data/slideshow/7ffe3cabb976ebc593dfe2f9461bdeac980a626c.ppt
new file mode 100644
index 0000000000..439a103648
Binary files /dev/null and b/test-data/slideshow/7ffe3cabb976ebc593dfe2f9461bdeac980a626c.ppt differ