diff --git a/plan/plan.go b/plan/plan.go
index 21bf5b677..cdbdf1837 100644
--- a/plan/plan.go
+++ b/plan/plan.go
@@ -17,6 +17,7 @@ limitations under the License.
 package plan
 
 import (
+	"fmt"
 	"strings"
 
 	"github.com/kubernetes-incubator/external-dns/endpoint"
@@ -78,6 +79,10 @@ type planTableRow struct {
 	candidates []*endpoint.Endpoint
 }
 
+func (t planTableRow) String() string {
+	return fmt.Sprintf("planTableRow{current=%v, candidates=%v}", t.current, t.candidates)
+}
+
 func (t planTable) addCurrent(e *endpoint.Endpoint) {
 	dnsName := sanitizeDNSName(e.DNSName)
 	if _, ok := t.rows[dnsName]; !ok {