diff --git a/src/azure-cli-core/azure/cli/core/_output.py b/src/azure-cli-core/azure/cli/core/_output.py
index 3d7358d00d5..b6117c4e861 100644
--- a/src/azure-cli-core/azure/cli/core/_output.py
+++ b/src/azure-cli-core/azure/cli/core/_output.py
@@ -4,6 +4,7 @@
 # --------------------------------------------------------------------------------------------
 
 import knack.output
+import sys
 
 
 class AzOutputProducer(knack.output.OutputProducer):
@@ -39,6 +40,11 @@ def format_none(_):
     def check_valid_format_type(self, format_type):
         return format_type in self._FORMAT_DICT
 
+    def get_formatter(self, format_type):
+        if not sys.stdout.isatty() and format_type in ['jsonc', 'yamlc']:
+            format_type = format_type[:-1]
+        return super(AzOutputProducer, self).get_formatter(format_type)
+
 
 def get_output_format(cli_ctx):
     return cli_ctx.invocation.data.get("output", None)