Index: agent/ssm/service.go
--- agent/ssm/service.go.orig
+++ agent/ssm/service.go
@@ -288,7 +288,7 @@ func (svc *sdkService) UpdateInstanceInformation(
switch goOS {
case "windows":
params.PlatformType = aws.String(ssm.PlatformTypeWindows)
- case "linux", "freebsd":
+ case "linux", "freebsd", "openbsd":
params.PlatformType = aws.String(ssm.PlatformTypeLinux)
case "darwin":
params.PlatformType = aws.String(ssm.PlatformTypeMacOs)