diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3f86ef9..a6b5f25 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -69,6 +69,7 @@ jobs:
         uses: actions/download-artifact@v2
         with:
           name: distfiles
+          path: .
       - name: 'Download external libs'
         uses: actions/download-artifact@v2
         with:
diff --git a/ChangeLog b/ChangeLog
index 2c8499d..b4c0017 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2021-05-08  Jay Berkenbilt  <ejb@ql.org>
 
+	* Fix problem that caused the generated manual from being included
+	in the Windows distributions. Fixes #521.
+
 	* Fix 11-year-old bug of leaving unreferenced objects in preserved
 	object streams. Fixes #520.
 
diff --git a/build-scripts/build-windows b/build-scripts/build-windows
index f67b8f2..992c54a 100755
--- a/build-scripts/build-windows
+++ b/build-scripts/build-windows
@@ -20,9 +20,7 @@ if [[ $tool == mingw ]]; then
 elif [[ $tool == msvc ]]; then
     cl
 fi
-if [ -f distfiles/distfiles.zip ]; then
-    unzip distfiles/distfiles.zip
-fi
+unzip distfiles.zip
 unzip qpdf-external-libs-bin.zip
 cwd=`pwd`
 PATH=$cwd/libqpdf/build:$PATH