diff --git a/komga/src/main/kotlin/org/gotson/komga/infrastructure/mediacontainer/pdf/PdfExtractor.kt b/komga/src/main/kotlin/org/gotson/komga/infrastructure/mediacontainer/pdf/PdfExtractor.kt
index b2cc2699..ff0bd530 100644
--- a/komga/src/main/kotlin/org/gotson/komga/infrastructure/mediacontainer/pdf/PdfExtractor.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/infrastructure/mediacontainer/pdf/PdfExtractor.kt
@@ -39,7 +39,7 @@ class PdfExtractor(
 
   fun getPageContentAsImage(path: Path, pageNumber: Int): TypedBytes {
     PDDocument.load(path.toFile(), MemoryUsageSetting.setupTempFileOnly()).use { pdf ->
-      val page = pdf.getPage(pageNumber)
+      val page = pdf.getPage(pageNumber - 1)
       val image = PDFRenderer(pdf).renderImage(pageNumber - 1, page.getScale(), RGB)
       val bytes = ByteArrayOutputStream().use { out ->
         ImageIO.write(image, imageType.imageIOFormat, out)