diff --git a/services/ical/service/names/userDefinedNameTemplates.go b/services/ical/service/names/userDefinedNameTemplates.go
index ee05e6e..7e709f7 100644
--- a/services/ical/service/names/userDefinedNameTemplates.go
+++ b/services/ical/service/names/userDefinedNameTemplates.go
@@ -32,6 +32,8 @@ func ReplaceTemplateSubStrings(rawString string, event model.Event) string {
 			return event.EventType
 		case "%p":
 			return event.Compulsory
+		case "%r":
+			return event.Rooms
 		default:
 			return match
 		}
diff --git a/services/ical/service/names/userDefinedNameTemplates_test.go b/services/ical/service/names/userDefinedNameTemplates_test.go
index 8915551..b985c46 100644
--- a/services/ical/service/names/userDefinedNameTemplates_test.go
+++ b/services/ical/service/names/userDefinedNameTemplates_test.go
@@ -83,6 +83,46 @@ func TestReplaceTemplateSubStrings(t *testing.T) {
 			},
 			want: "Test Test %",
 		},
+		{
+			name: "Test 6",
+			args: args{
+				rawString: "%r",
+				event: model.Event{
+					Rooms: "Test",
+				},
+			},
+			want: "Test",
+		},
+		{
+			name: "Test 7",
+			args: args{
+				rawString: "%r %r",
+				event: model.Event{
+					Rooms: "Test",
+				},
+			},
+			want: "Test Test",
+		},
+		{
+			name: "Test 8",
+			args: args{
+				rawString: "%r %r %r",
+				event: model.Event{
+					Rooms: "",
+				},
+			},
+			want: "  ",
+		},
+		{
+			name: "Test 9",
+			args: args{
+				rawString: "Software%rprojekt",
+				event: model.Event{
+					Rooms: "Test",
+				},
+			},
+			want: "SoftwareTestprojekt",
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {