diff --git a/stackit/internal/wait/sqlserverflexbeta/wait.go b/stackit/internal/wait/sqlserverflexbeta/wait.go
index 60b1d74b..d898b47a 100644
--- a/stackit/internal/wait/sqlserverflexbeta/wait.go
+++ b/stackit/internal/wait/sqlserverflexbeta/wait.go
@@ -85,7 +85,17 @@ func CreateInstanceWaitHandler(
 		func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
 			s, err := a.GetInstanceRequestExecute(ctx, projectId, region, instanceId)
 			if err != nil {
-				return false, nil, err
+				var oapiErr *oapierror.GenericOpenAPIError
+				ok := errors.As(err, &oapiErr)
+				if !ok {
+					return false, nil, fmt.Errorf("could not convert error to oapierror.GenericOpenAPIError: %w", err)
+				}
+				switch oapiErr.StatusCode {
+				case http.StatusNotFound:
+					return false, nil, nil
+				default:
+					return false, nil, fmt.Errorf("api error: %w", err)
+				}
 			}
 			if s == nil || s.Id == nil || *s.Id != instanceId || s.Status == nil {
 				return false, nil, nil