diff --git a/changelogs/fragments/5198-proxmox.yml b/changelogs/fragments/5198-proxmox.yml
new file mode 100644
index 0000000000..b5d7c88094
--- /dev/null
+++ b/changelogs/fragments/5198-proxmox.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - "proxmox_kvm - fix ``agent`` parameter when boolean value is specified (https://github.com/ansible-collections/community.general/pull/5198)."
diff --git a/plugins/modules/cloud/misc/proxmox_kvm.py b/plugins/modules/cloud/misc/proxmox_kvm.py
index ba5b0d4ff3..92aaf6a904 100644
--- a/plugins/modules/cloud/misc/proxmox_kvm.py
+++ b/plugins/modules/cloud/misc/proxmox_kvm.py
@@ -963,7 +963,7 @@ class ProxmoxKvmAnsible(ProxmoxAnsible):
         if 'agent' in kwargs:
             try:
                 # The API also allows booleans instead of e.g. `enabled=1` for backward-compatibility.
-                kwargs['agent'] = boolean(kwargs['agent'], strict=True)
+                kwargs['agent'] = int(boolean(kwargs['agent'], strict=True))
             except TypeError:
                 # Not something that Ansible would parse as a boolean.
                 pass