diff --git a/src/compose/ports.ts b/src/compose/ports.ts
index 8ed9c318..1d80cb29 100644
--- a/src/compose/ports.ts
+++ b/src/compose/ports.ts
@@ -30,7 +30,7 @@ interface PortRange {
 export class PortMap {
 	private ports: PortRange;
 
-	public constructor(portStrOrObj: string | PortRange) {
+	private constructor(portStrOrObj: string | PortRange) {
 		if (_.isString(portStrOrObj)) {
 			this.parsePortString(portStrOrObj);
 		} else {
@@ -139,6 +139,13 @@ export class PortMap {
 			}, []);
 	}
 
+	public static fromComposePorts(ports: string[]): PortMap[] {
+		return _(ports)
+			.map(p => new PortMap(p))
+			.sortBy(p => p.ports.internalStart)
+			.value();
+	}
+
 	private parsePortString(portStr: string): void {
 		const match = portStr.match(PORTS_REGEX);
 		if (match == null) {
diff --git a/src/compose/service.ts b/src/compose/service.ts
index 44c856bb..c4882a71 100644
--- a/src/compose/service.ts
+++ b/src/compose/service.ts
@@ -253,7 +253,7 @@ export class Service {
 
 		let portMaps: PortMap[] = [];
 		if (config.ports != null) {
-			portMaps = _.map(config.ports, p => new PortMap(p));
+			portMaps = PortMap.fromComposePorts(config.ports);
 		}
 		delete config.ports;
 
diff --git a/test/16-ports.spec.coffee b/test/16-ports.spec.coffee
index 1747a283..80e83740 100644
--- a/test/16-ports.spec.coffee
+++ b/test/16-ports.spec.coffee
@@ -243,6 +243,16 @@ describe 'Ports', ->
 				})
 			])
 
+	describe 'Running container comparison', ->
+		it 'should not consider order when comparing current and target state', ->
+			portBindings = require('./data/ports/not-ascending/port-bindings.json')
+			compose = require('./data/ports/not-ascending/compose.json')
+			portMapsCurrent = PortMap.fromDockerOpts(portBindings)
+			portMapsTarget = PortMap.fromComposePorts(compose.ports)
+
+			expect(portMapsTarget).to.deep.equal(portMapsCurrent)
+
+
 	describe 'normalisePortMaps', ->
 
 		it 'should correctly normalise PortMap lists', ->
diff --git a/test/data/ports/not-ascending/compose.json b/test/data/ports/not-ascending/compose.json
new file mode 100644
index 00000000..b90661e5
--- /dev/null
+++ b/test/data/ports/not-ascending/compose.json
@@ -0,0 +1,14 @@
+{
+	"imageId": 730944,
+	"serviceName": "port-service",
+	"image": "sha256:6d101a6659bf5c10616bacd696feb80c927d56c0f14baadf8cf1f8956c492905",
+	"running": true,
+	"environment": {},
+	"labels": {},
+	"ports": ["80-90", "10:1000", "300/udp", "20/udp"],
+	"appId": 1032480,
+	"releaseId": 720081,
+	"serviceId": 155981,
+	"commit": "a41cede6b2dde6553476d02feba34a5e",
+	"imageName": "registry2.balena-cloud.com/v2/fa91ca88f7df77517ead234e4ea7e381@sha256:08a9abf8dbc21540a5db17caea829ac236bfa8c387c83fa56c8ec1c7975a0952"
+}
diff --git a/test/data/ports/not-ascending/port-bindings.json b/test/data/ports/not-ascending/port-bindings.json
new file mode 100644
index 00000000..0b4e0fdd
--- /dev/null
+++ b/test/data/ports/not-ascending/port-bindings.json
@@ -0,0 +1,16 @@
+{
+	"1000/tcp": [{ "HostIp": "", "HostPort": "10" }],
+	"20/udp": [{ "HostIp": "", "HostPort": "20" }],
+	"300/udp": [{ "HostIp": "", "HostPort": "300" }],
+	"80/tcp": [{ "HostIp": "", "HostPort": "80" }],
+	"81/tcp": [{ "HostIp": "", "HostPort": "81" }],
+	"82/tcp": [{ "HostIp": "", "HostPort": "82" }],
+	"83/tcp": [{ "HostIp": "", "HostPort": "83" }],
+	"84/tcp": [{ "HostIp": "", "HostPort": "84" }],
+	"85/tcp": [{ "HostIp": "", "HostPort": "85" }],
+	"86/tcp": [{ "HostIp": "", "HostPort": "86" }],
+	"87/tcp": [{ "HostIp": "", "HostPort": "87" }],
+	"88/tcp": [{ "HostIp": "", "HostPort": "88" }],
+	"89/tcp": [{ "HostIp": "", "HostPort": "89" }],
+	"90/tcp": [{ "HostIp": "", "HostPort": "90" }]
+}