diff --git a/exerr/exerr.go b/exerr/exerr.go
index dbc59b5..2269cab 100644
--- a/exerr/exerr.go
+++ b/exerr/exerr.go
@@ -38,6 +38,13 @@ func (ee *ExErr) Error() string {
 // Unwrap must be implemented so that some error.XXX methods work
 func (ee *ExErr) Unwrap() error {
 	if ee.OriginalError == nil {
+
+		if ee.WrappedErr != nil {
+			if werr, ok := ee.WrappedErr.(error); ok {
+				return werr
+			}
+		}
+
 		return nil // this is neccessary - otherwise we return a wrapped nil and the `x == nil` comparison fails (= panic in errors.Is and other failures)
 	}
 	return ee.OriginalError
diff --git a/goextVersion.go b/goextVersion.go
index 5fcc869..8052ec3 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.512"
+const GoextVersion = "0.0.513"
 
-const GoextVersionTimestamp = "2024-09-15T21:25:21+0200"
+const GoextVersionTimestamp = "2024-09-16T15:27:32+0200"