diff --git a/internal/query/projection/user.go b/internal/query/projection/user.go
index 791997528..dd8cde6d7 100644
--- a/internal/query/projection/user.go
+++ b/internal/query/projection/user.go
@@ -5,6 +5,7 @@ import (
 	"database/sql"
 
 	"github.com/caos/logging"
+
 	"github.com/caos/zitadel/internal/domain"
 	"github.com/caos/zitadel/internal/errors"
 	"github.com/caos/zitadel/internal/eventstore"
@@ -379,10 +380,13 @@ func (p *UserProjection) reduceHumanProfileChanged(event eventstore.EventReader)
 		return nil, errors.ThrowInvalidArgument(nil, "HANDL-769v4", "reduce.wrong.event.type")
 	}
 	cols := make([]handler.Column, 0, 6)
-	cols = append(cols,
-		handler.NewCol(HumanFistNameCol, e.FirstName),
-		handler.NewCol(HumanLastNameCol, e.LastName),
-	)
+	if e.FirstName != "" {
+		cols = append(cols, handler.NewCol(HumanFistNameCol, e.FirstName))
+	}
+
+	if e.LastName != "" {
+		cols = append(cols, handler.NewCol(HumanLastNameCol, e.LastName))
+	}
 
 	if e.NickName != nil {
 		cols = append(cols, handler.NewCol(HumanNickNameCol, *e.NickName))
diff --git a/migrations/cockroach/V1.99__reset_user_projections.sql b/migrations/cockroach/V1.99__reset_user_projections.sql
new file mode 100644
index 000000000..0e7ed009b
--- /dev/null
+++ b/migrations/cockroach/V1.99__reset_user_projections.sql
@@ -0,0 +1,2 @@
+truncate zitadel.projections.users cascade;
+update zitadel.projections.current_sequences set current_sequence = 0 where projection_name = 'zitadel.projections.users';