diff --git a/pdfbox/src/main/java/org/apache/pdfbox/text/PDFTextStripper.java b/pdfbox/src/main/java/org/apache/pdfbox/text/PDFTextStripper.java
index ef56f3fa0b6..37484d81f4b 100644
--- a/pdfbox/src/main/java/org/apache/pdfbox/text/PDFTextStripper.java
+++ b/pdfbox/src/main/java/org/apache/pdfbox/text/PDFTextStripper.java
@@ -384,8 +384,9 @@ public void processPage(PDPage page) throws IOException
 
     private void fillBeadRectangles(PDPage page)
     {
-        beadRectangles = new ArrayList<>();
-        for (PDThreadBead bead : page.getThreadBeads())
+        List<PDThreadBead> list = page.getThreadBeads();
+        beadRectangles = new ArrayList<>(list.size());
+        for (PDThreadBead bead : list)
         {
             if (bead == null || bead.getRectangle() == null)
             {