diff --git a/changelogs/fragments/11954-puppet-facts-write-error.yml b/changelogs/fragments/11954-puppet-facts-write-error.yml
new file mode 100644
index 0000000000..992ec409ad
--- /dev/null
+++ b/changelogs/fragments/11954-puppet-facts-write-error.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - puppet - fix ``TypeError`` when writing facts data (https://github.com/ansible-collections/community.general/issues/7932, https://github.com/ansible-collections/community.general/pull/11954).
diff --git a/plugins/modules/puppet.py b/plugins/modules/puppet.py
index 36c3371541..b0d46db12e 100644
--- a/plugins/modules/puppet.py
+++ b/plugins/modules/puppet.py
@@ -204,7 +204,7 @@ def _write_structured_data(basedir, basename, data):
     # open the file with only u+rw set. Also, we use the stat constants
     # because ansible still supports python 2.4 and the octal syntax changed
     out_file = os.fdopen(os.open(file_path, os.O_CREAT | os.O_WRONLY, stat.S_IRUSR | stat.S_IWUSR), "w")
-    out_file.write(json.dumps(data).encode("utf8"))
+    out_file.write(json.dumps(data))
     out_file.close()