diff --git a/src/command_modules/azure-cli-acs/HISTORY.rst b/src/command_modules/azure-cli-acs/HISTORY.rst
index e7635838e14..2df72106a2d 100644
--- a/src/command_modules/azure-cli-acs/HISTORY.rst
+++ b/src/command_modules/azure-cli-acs/HISTORY.rst
@@ -7,6 +7,7 @@ Release History
 ++++++
 * Updated options of `az aks use-dev-spaces` command. Added `--update` support.
 * `az aks get-credentials --admin` won't replace the user context in $HOME/.kube/config
+* fix `az acs browse` command error
 
 2.1.0
 +++++
diff --git a/src/command_modules/azure-cli-acs/azure/cli/command_modules/acs/custom.py b/src/command_modules/azure-cli-acs/azure/cli/command_modules/acs/custom.py
index 3226ad27308..65d40ba808f 100644
--- a/src/command_modules/azure-cli-acs/azure/cli/command_modules/acs/custom.py
+++ b/src/command_modules/azure-cli-acs/azure/cli/command_modules/acs/custom.py
@@ -126,11 +126,11 @@ def acs_browse(cmd, client, resource_group, name, disable_browser=False, ssh_key
 def _acs_browse_internal(cmd, client, acs_info, resource_group, name, disable_browser, ssh_key_file):
     orchestrator_type = acs_info.orchestrator_profile.orchestrator_type  # pylint: disable=no-member
 
-    if orchestrator_type == 'kubernetes' or \
+    if str(orchestrator_type).lower() == 'kubernetes' or \
        orchestrator_type == ContainerServiceOrchestratorTypes.kubernetes or \
        (acs_info.custom_profile and acs_info.custom_profile.orchestrator == 'kubernetes'):  # pylint: disable=no-member
         return k8s_browse(cmd, client, name, resource_group, disable_browser, ssh_key_file=ssh_key_file)
-    elif orchestrator_type == 'dcos' or orchestrator_type == ContainerServiceOrchestratorTypes.dcos:
+    elif str(orchestrator_type).lower() == 'dcos' or orchestrator_type == ContainerServiceOrchestratorTypes.dcos:
         return _dcos_browse_internal(acs_info, disable_browser, ssh_key_file)
     else:
         raise CLIError('Unsupported orchestrator type {} for browse'.format(orchestrator_type))