diff --git a/src/ooxml/java/org/apache/poi/xslf/util/PPTX2PNG.java b/src/ooxml/java/org/apache/poi/xslf/util/PPTX2PNG.java
index c03c5579bd..435de7a33d 100644
--- a/src/ooxml/java/org/apache/poi/xslf/util/PPTX2PNG.java
+++ b/src/ooxml/java/org/apache/poi/xslf/util/PPTX2PNG.java
@@ -216,9 +216,8 @@ public class PPTX2PNG {
                     break;
             }
 
-            final int width = Math.toIntExact(Math.round(pgsize.getWidth() * scale / lenSide));
-            final int height = Math.toIntExact(Math.round(pgsize.getHeight() * scale / lenSide));
-
+            final int width = (int) Math.rint(pgsize.getWidth() * scale / lenSide);
+            final int height = (int) Math.rint(pgsize.getHeight() * scale / lenSide);
 
             for (int slideNo : slidenum) {
                 proxy.setSlideNo(slideNo);