diff --git a/public/openapi/read/admin/federation/analytics.yaml b/public/openapi/read/admin/federation/analytics.yaml
index 227b75bf42..5782f2d686 100644
--- a/public/openapi/read/admin/federation/analytics.yaml
+++ b/public/openapi/read/admin/federation/analytics.yaml
@@ -32,18 +32,25 @@ get:
                     type: array
                     items:
                       type: string
-                  received:
-                    type: array
-                    items:
-                      type: number
-                  receivedErr:
-                    type: array
-                    items:
-                      type: number
-                  sent:
-                    type: array
-                    items:
-                      type: number
+                  data:
+                    type: object
+                    properties:
+                      received:
+                        type: array
+                        items:
+                          type: number
+                      receivedErr:
+                        type: array
+                        items:
+                          type: number
+                      sent:
+                        type: array
+                        items:
+                          type: number
+                      sentErr:
+                        type: array
+                        items:
+                          type: number
                   hideSave:
                     type: number
                     description: A flag to instruct the template engine to hide the save button
diff --git a/public/src/admin/federation/analytics.js b/public/src/admin/federation/analytics.js
index 4d884562f4..4fb6c75cf8 100644
--- a/public/src/admin/federation/analytics.js
+++ b/public/src/admin/federation/analytics.js
@@ -55,7 +55,8 @@ async function updateCharts() {
 	['received', 'sent'].forEach((name) => {
 		const chart = charts.get(name);
 		chart.data.labels = labels.get(termEl.value || 'hourly');
-		chart.data.datasets[0].data = data[name];
+		chart.data.datasets[0].data = data.data[name];
+		chart.data.datasets[1].data = data.data[`${name}Err`];
 		chart.update();
 	});
 }
@@ -87,7 +88,7 @@ async function initializeCharts() {
 					borderColor: 'rgba(161,181,108,1)',
 					pointBackgroundColor: 'rgba(161,181,108,1)',
 					pointHoverBorderColor: 'rgba(161,181,108,1)',
-					data: ajaxify.data.received,
+					data: ajaxify.data.data.received,
 				},
 				{
 					...commonDataSetOpts,
@@ -96,7 +97,7 @@ async function initializeCharts() {
 					borderColor: 'rgba(171,70,66,1)',
 					pointBackgroundColor: 'rgba(171,70,66,1)',
 					pointHoverBorderColor: 'rgba(171,70,66,1)',
-					data: ajaxify.data.receivedErr,
+					data: ajaxify.data.data.receivedErr,
 				},
 			],
 		},
@@ -106,11 +107,20 @@ async function initializeCharts() {
 				{
 					...commonDataSetOpts,
 					label: await translate('[[admin/settings/activitypub:analytics.sent]]'),
-					backgroundColor: 'rgba(151,187,205,0.2)',
-					borderColor: 'rgba(151,187,205,1)',
-					pointBackgroundColor: 'rgba(151,187,205,1)',
-					pointHoverBorderColor: 'rgba(151,187,205,1)',
-					data: ajaxify.data.sent,
+					backgroundColor: 'rgba(161,181,108,0.2)',
+					borderColor: 'rgba(161,181,108,1)',
+					pointBackgroundColor: 'rgba(161,181,108,1)',
+					pointHoverBorderColor: 'rgba(161,181,108,1)',
+					data: ajaxify.data.data.sent,
+				},
+				{
+					...commonDataSetOpts,
+					label: await translate('[[admin/settings/activitypub:analytics.errors]]'),
+					backgroundColor: 'rgba(171,70,66,0.2)',
+					borderColor: 'rgba(171,70,66,1)',
+					pointBackgroundColor: 'rgba(171,70,66,1)',
+					pointHoverBorderColor: 'rgba(171,70,66,1)',
+					data: ajaxify.data.data.sentErr,
 				},
 			],
 		},
diff --git a/src/controllers/admin/federation.js b/src/controllers/admin/federation.js
index 35bc678198..4445a55ab2 100644
--- a/src/controllers/admin/federation.js
+++ b/src/controllers/admin/federation.js
@@ -74,16 +74,21 @@ federationController.analytics = async function (req, res) {
 	const receivedSet = host ? `activities:byHost:${host}` : 'activities';
 	const receivedErrSet = host ? `ap.inErr:byHost:${host}` : 'ap.inErr';
 	const sentSet = host ? `ap.out:byHost:${host}` : 'ap.out';
+	const sentErrSet = host ? `ap.outErr:byHost:${host}` : 'ap.outErr';
 	const received = await analytics[method](receivedSet, Date.now(), count);
 	const receivedErr = await analytics[method](receivedErrSet, Date.now(), count);
 	const sent = await analytics[method](sentSet, Date.now(), count);
+	const sentErr = await analytics[method](sentErrSet, Date.now(), count);
 
 	res.render('admin/federation/analytics', {
 		title: '[[admin/menu:federation/analytics]]',
 		instances,
-		received,
-		receivedErr,
-		sent,
+		data: {
+			received,
+			receivedErr,
+			sent,
+			sentErr,
+		},
 		hideSave: 1,
 	});
 };