diff --git a/parser.go b/parser.go
index 8d05d88..47f4043 100644
--- a/parser.go
+++ b/parser.go
@@ -65,7 +65,7 @@ type moduleStateTerraform0dot12 struct {
 }
 type resourceStateTerraform0dot12 struct {
 	Address   string                 `json:"address"`
-	Index     *int                   `json:"index"` // only set by Terraform for counted resources
+	Index     *interface{}           `json:"index"` // only set by Terraform for counted resources
 	Name      string                 `json:"name"`
 	RawValues map[string]interface{} `json:"values"`
 	Type      string                 `json:"type"`
@@ -324,7 +324,17 @@ func (s *stateTerraform0dot12) resources() []*Resource {
 			}
 			resourceKeyName := rs.Type + "." + modulePrefix + rs.Name
 			if rs.Index != nil {
-				resourceKeyName += "." + strconv.Itoa(*rs.Index)
+				i := *rs.Index
+				switch v := i.(type) {
+				case int:
+					resourceKeyName += "." + strconv.Itoa(v)
+				case float64:
+					resourceKeyName += "." + strconv.Itoa(int(v))
+				case string:
+					resourceKeyName += "." + v
+				default:
+					fmt.Fprintf(os.Stderr, "Warning: unknown index type %v\n", v)
+				}
 			}
 
 			// Terraform stores resources in a name->map map, but we need the name to
diff --git a/parser_test.go b/parser_test.go
index ad2af80..0ac028a 100644
--- a/parser_test.go
+++ b/parser_test.go
@@ -943,6 +943,35 @@ const exampleStateFileTerraform0dot12 = `
 						}
 					}
 				},
+				{
+				  "address": "aws_route53_record.this",
+				  "mode": "managed",
+				  "type": "aws_route53_record",
+				  "name": "this",
+				  "index": "testb",
+				  "provider_name": "aws",
+				  "schema_version": 2,
+				  "values": {
+					"alias": [],
+					"allow_overwrite": null,
+					"failover_routing_policy": [],
+					"fqdn": "testb.tv",
+					"geolocation_routing_policy": [],
+					"health_check_id": null,
+					"id": "abc.tv._A",
+					"latency_routing_policy": [],
+					"multivalue_answer_routing_policy": null,
+					"name": "testb.tv",
+					"records": [
+					  "2.2.2.2"
+					],
+					"set_identifier": null,
+					"ttl": 300,
+					"type": "A",
+					"weighted_routing_policy": [],
+					"zone_id": "abc"
+				  }
+				},
 				{
 					"address": "vsphere_tag.bar",
 					"mode": "managed",