diff --git a/app/src/main/java/org/mydomain/myscan/MainViewModel.kt b/app/src/main/java/org/mydomain/myscan/MainViewModel.kt
index a9c076d..20b3bbb 100644
--- a/app/src/main/java/org/mydomain/myscan/MainViewModel.kt
+++ b/app/src/main/java/org/mydomain/myscan/MainViewModel.kt
@@ -207,6 +207,7 @@ class MainViewModel(
 
     private suspend fun generatePdf(): GeneratedPdf = withContext(Dispatchers.IO) {
         val imageIds = imageRepository.imageIds()
+        pdfDir.mkdirs()
         val file = File(pdfDir, "${System.currentTimeMillis()}.pdf")
         val jpegs = imageIds.asSequence()
             .map { id -> imageRepository.getContent(id) }