diff --git a/check.sh b/check.sh
index 4e55dd6..f11a903 100755
--- a/check.sh
+++ b/check.sh
@@ -253,7 +253,9 @@ END
 fi
 
 dpkg-scanpackages "$workdir/repo" /dev/null ./ > "$workdir/repo/Packages"
-dpkg-scansources "$workdir/repo" /dev/null ./ > "$workdir/repo/Sources"
+if [ "$pkgtype" != binary ]; then
+	dpkg-scansources "$workdir/repo" /dev/null ./ > "$workdir/repo/Sources"
+fi
 
 if [ "$pkgtype" = binary ]; then
 	tail -n 999999 "$workdir/repo/Packages" >&2