diff --git a/changelog/unreleased/idp-parent-dir.md b/changelog/unreleased/idp-parent-dir.md
new file mode 100644
index 0000000000..6d6746da01
--- /dev/null
+++ b/changelog/unreleased/idp-parent-dir.md
@@ -0,0 +1,6 @@
+Bugfix: Create parent directories for idp configuration
+
+The parent directories of the identifier-registration.yaml config file might
+not exist when starting idp. Create them, when that is the case.
+
+https://github.com/owncloud/ocis/issues/2667
diff --git a/idp/pkg/service/v0/service.go b/idp/pkg/service/v0/service.go
index 92586ab922..76d88e4c4a 100644
--- a/idp/pkg/service/v0/service.go
+++ b/idp/pkg/service/v0/service.go
@@ -73,7 +73,7 @@ func createConfigsIfNotExist(assets http.FileSystem, filePath, ocisURL string) e
 
 	folder := path.Dir(filePath)
 	if _, err := os.Stat(folder); os.IsNotExist(err) {
-		if err := os.Mkdir(folder, 0700); err != nil {
+		if err := os.MkdirAll(folder, 0700); err != nil {
 			return err
 		}
 	}