diff --git a/homeassistant/components/proxmoxve/__init__.py b/homeassistant/components/proxmoxve/__init__.py
index 5777bb3054c..1b0d07c69a3 100644
--- a/homeassistant/components/proxmoxve/__init__.py
+++ b/homeassistant/components/proxmoxve/__init__.py
@@ -124,6 +124,9 @@ async def async_setup(hass: HomeAssistant, config: dict):
             except ConnectTimeout:
                 _LOGGER.warning("Connection to host %s timed out during setup", host)
                 continue
+            except requests.exceptions.ConnectionError:
+                _LOGGER.warning("Host %s is not reachable", host)
+                continue
 
             hass.data[PROXMOX_CLIENTS][host] = proxmox_client