diff --git a/go/gosdn/pnd/pnd.pb.go b/go/gosdn/pnd/pnd.pb.go
index f9fd57f711bb9e4953f45cf232aaababa0233b56..17773f9fdd5657887fa70012cc31ca991907e197 100644
--- a/go/gosdn/pnd/pnd.pb.go
+++ b/go/gosdn/pnd/pnd.pb.go
@@ -993,7 +993,7 @@ type GetChangeResponse struct {
 	// TODO: Check if this is really needed. Perhaps a reference to the PND's ID
 	// is also sufficient.
 	Pnd    *PrincipalNetworkDomain `protobuf:"bytes,2,opt,name=pnd,proto3" json:"pnd,omitempty"`
-	Change *Change                 `protobuf:"bytes,3,opt,name=change,proto3" json:"change,omitempty"`
+	Change []*Change               `protobuf:"bytes,3,rep,name=change,proto3" json:"change,omitempty"`
 }
 
 func (x *GetChangeResponse) Reset() {
@@ -1042,7 +1042,7 @@ func (x *GetChangeResponse) GetPnd() *PrincipalNetworkDomain {
 	return nil
 }
 
-func (x *GetChangeResponse) GetChange() *Change {
+func (x *GetChangeResponse) GetChange() []*Change {
 	if x != nil {
 		return x.Change
 	}
@@ -2390,7 +2390,7 @@ var file_gosdn_pnd_pnd_proto_rawDesc = []byte{
 	0x03, 0x70, 0x6e, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x21, 0x2e, 0x67, 0x6f, 0x73,
 	0x64, 0x6e, 0x2e, 0x70, 0x6e, 0x64, 0x2e, 0x50, 0x72, 0x69, 0x6e, 0x63, 0x69, 0x70, 0x61, 0x6c,
 	0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x03, 0x70,
-	0x6e, 0x64, 0x12, 0x29, 0x0a, 0x06, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x18, 0x03, 0x20, 0x01,
+	0x6e, 0x64, 0x12, 0x29, 0x0a, 0x06, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x18, 0x03, 0x20, 0x03,
 	0x28, 0x0b, 0x32, 0x11, 0x2e, 0x67, 0x6f, 0x73, 0x64, 0x6e, 0x2e, 0x70, 0x6e, 0x64, 0x2e, 0x43,
 	0x68, 0x61, 0x6e, 0x67, 0x65, 0x52, 0x06, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x22, 0x95, 0x01,
 	0x0a, 0x15, 0x47, 0x65, 0x74, 0x43, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x4c, 0x69, 0x73, 0x74, 0x52,
diff --git a/openapiv2/gosdn_northbound.swagger.json b/openapiv2/gosdn_northbound.swagger.json
index 618512d96a36852bdedbdd18aef01864403d0863..894789102e6888fec83de5f47f3a545dfb50f0dd 100644
--- a/openapiv2/gosdn_northbound.swagger.json
+++ b/openapiv2/gosdn_northbound.swagger.json
@@ -21,16 +21,16 @@
       "name": "gNMI"
     },
     {
-      "name": "CoreService"
+      "name": "Collector"
     },
     {
-      "name": "CsbiService"
+      "name": "AgentManager"
     },
     {
-      "name": "AgentManager"
+      "name": "CoreService"
     },
     {
-      "name": "Collector"
+      "name": "CsbiService"
     }
   ],
   "consumes": [
@@ -2113,7 +2113,10 @@
           "description": "TODO: Check if this is really needed. Perhaps a reference to the PND's ID\nis also sufficient."
         },
         "change": {
-          "$ref": "#/definitions/pndChange"
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/pndChange"
+          }
         }
       }
     },
diff --git a/proto/gosdn/pnd/pnd.proto b/proto/gosdn/pnd/pnd.proto
index 01a18db92d5bfcfc3510591e69dc16dfc0f03794..5b91e0371135ce801d98957ed0d4117799857185 100644
--- a/proto/gosdn/pnd/pnd.proto
+++ b/proto/gosdn/pnd/pnd.proto
@@ -201,7 +201,7 @@ message GetChangeResponse {
   // TODO: Check if this is really needed. Perhaps a reference to the PND's ID
   // is also sufficient.
   PrincipalNetworkDomain pnd = 2;
-  Change change = 3;
+  repeated Change change = 3;
 }
 
 message GetChangeListResponse {