diff --git a/src/lecteur_pdf/pdf/PdfPanel.java b/src/lecteur_pdf/pdf/PdfPanel.java
index d5d7c3b..3168e37 100644
--- a/src/lecteur_pdf/pdf/PdfPanel.java
+++ b/src/lecteur_pdf/pdf/PdfPanel.java
@@ -226,7 +226,7 @@ public class PdfPanel extends JPanel {
             taille = (viewportWidth - scrollpaneWidth) / pdfMinWidth - zoom;
         } else {
             float viewportHeight = viewport.getHeight();
-            float scrollpaneHeight = scrollPane.getVerticalScrollBar()
+            float scrollpaneHeight = scrollPane.getHorizontalScrollBar()
                                                .getHeight();
             float pdfMinHeight = pdfLoader.getMinHeight();