diff --git a/changelog/unreleased/fix-windows-build.md b/changelog/unreleased/fix-windows-build.md
new file mode 100644
index 0000000000..ed88dc8f1b
--- /dev/null
+++ b/changelog/unreleased/fix-windows-build.md
@@ -0,0 +1,5 @@
+Bugfix: Fix windows build
+
+Add the necessary `golang.org/x/sys/windows` package import to `owncloud` and `owncloudsql` storage drivers.
+
+https://github.com/cs3org/reva/pull/1987
\ No newline at end of file
diff --git a/pkg/storage/fs/owncloud/owncloud_windows.go b/pkg/storage/fs/owncloud/owncloud_windows.go
index b925d6a3ee..5002351480 100644
--- a/pkg/storage/fs/owncloud/owncloud_windows.go
+++ b/pkg/storage/fs/owncloud/owncloud_windows.go
@@ -29,6 +29,7 @@ import (
 	"strings"
 
 	"github.com/cs3org/reva/pkg/appctx"
+	"golang.org/x/sys/windows"
 )
 
 // calcEtag will create an etag based on the md5 of
diff --git a/pkg/storage/fs/owncloudsql/owncloudsql_windows.go b/pkg/storage/fs/owncloudsql/owncloudsql_windows.go
index dc4dd873d5..7d2d07b46f 100644
--- a/pkg/storage/fs/owncloudsql/owncloudsql_windows.go
+++ b/pkg/storage/fs/owncloudsql/owncloudsql_windows.go
@@ -29,6 +29,7 @@ import (
 	"strings"
 
 	"github.com/cs3org/reva/pkg/appctx"
+	"golang.org/x/sys/windows"
 )
 
 // calcEtag will create an etag based on the md5 of