diff --git a/src/__tests__/connection.spec.ts b/src/__tests__/connection.spec.ts
index 73dbca11..119e1202 100644
--- a/src/__tests__/connection.spec.ts
+++ b/src/__tests__/connection.spec.ts
@@ -12,7 +12,7 @@ jest.mock('net')
 const SocketMock = OrgSocket as any as typeof MockSocket
 const PARSED_INFO_CHANNEL_720p50 = {
 	channel: 1,
-	format: 720,
+	format: '720p5000',
 	frameRate: 50,
 	channelRate: 50,
 	interlaced: false,
diff --git a/src/__tests__/deserializers.spec.ts b/src/__tests__/deserializers.spec.ts
index 7758b3ed..2418c72e 100644
--- a/src/__tests__/deserializers.spec.ts
+++ b/src/__tests__/deserializers.spec.ts
@@ -106,7 +106,7 @@ describe('deserializers', () => {
 		expect(output[0]).toMatchObject(
 			literal<InfoEntry>({
 				channel: 1,
-				format: 720,
+				format: '720p5000',
 				channelRate: 50,
 				frameRate: 50,
 				interlaced: false,
@@ -116,7 +116,7 @@ describe('deserializers', () => {
 		expect(output[1]).toMatchObject(
 			literal<InfoEntry>({
 				channel: 2,
-				format: 1080,
+				format: '1080i5000',
 				channelRate: 50,
 				frameRate: 50,
 				interlaced: true,
diff --git a/src/deserializers/deserializeInfo.ts b/src/deserializers/deserializeInfo.ts
index b549b921..67d0eab7 100644
--- a/src/deserializers/deserializeInfo.ts
+++ b/src/deserializers/deserializeInfo.ts
@@ -6,7 +6,7 @@ export const deserializeInfo = (line: string): InfoEntry | undefined => {
 	if (info && info.groups) {
 		return {
 			channel: parseInt(info.groups.ChannelNo, 10),
-			format: parseInt(info.groups.Format, 10),
+			format: info.groups.Format,
 			channelRate: parseInt(info.groups.Channelrate || '', 10) / 100,
 			frameRate: parseInt(info.groups.Channelrate || '', 10) / 100,
 			interlaced: info.groups.Interlaced === 'i',
diff --git a/src/parameters.ts b/src/parameters.ts
index dfa7e3f9..aee84868 100644
--- a/src/parameters.ts
+++ b/src/parameters.ts
@@ -315,7 +315,7 @@ export interface VersionInfo {
 export type InfoParameters = Empty
 export interface InfoEntry {
 	channel: number
-	format: number
+	format: string
 	channelRate: number
 	frameRate: number
 	interlaced: boolean