diff --git a/anyconfig/cli.py b/anyconfig/cli.py
index dca0a9e3..6ea547c9 100644
--- a/anyconfig/cli.py
+++ b/anyconfig/cli.py
@@ -16,6 +16,7 @@
 import anyconfig.api as A
 import anyconfig.compat
 import anyconfig.globals
+import anyconfig.mergeabledict
 
 
 _ENCODING = locale.getdefaultlocale()[1]
@@ -216,6 +217,11 @@ def main(argv=None):
         if err:
             raise RuntimeError(err)
 
+        # Output primitive types as it is.
+        if not anyconfig.mergeabledict.is_mergeabledict_or_dict(data):
+            sys.stdout.write(str(data) + '\n')
+            return
+
     if options.set:
         A.set_(data, *(options.set.split('=')))