diff --git a/pkg/cmd/issue/create/create_test.go b/pkg/cmd/issue/create/create_test.go
index 65731e561..80c8f76d3 100644
--- a/pkg/cmd/issue/create/create_test.go
+++ b/pkg/cmd/issue/create/create_test.go
@@ -317,7 +317,7 @@ func Test_createRun(t *testing.T) {
 				WebMode:   true,
 				Assignees: []string{"@copilot"},
 			},
-			wantsBrowse: "https://github.com/OWNER/REPO/issues/new?assignees=copilot&body=",
+			wantsBrowse: "https://github.com/OWNER/REPO/issues/new?assignees=Copilot&body=",
 			wantsStderr: "Opening https://github.com/OWNER/REPO/issues/new in your browser.\n",
 		},
 		{
diff --git a/pkg/cmd/pr/shared/params_test.go b/pkg/cmd/pr/shared/params_test.go
index 1291b2c99..3c95a9a5d 100644
--- a/pkg/cmd/pr/shared/params_test.go
+++ b/pkg/cmd/pr/shared/params_test.go
@@ -210,7 +210,7 @@ func TestCopilotReplacer_ReplaceSlice(t *testing.T) {
 			args: args{
 				handles: []string{"monalisa", "@copilot", "hubot"},
 			},
-			want: []string{"monalisa", "copilot", "hubot"},
+			want: []string{"monalisa", "Copilot", "hubot"},
 		},
 		{
 			name: "handles no @copilot mentions",