diff --git a/homeassistant/components/nzbget/config_flow.py b/homeassistant/components/nzbget/config_flow.py
index dfed7a9bfee..f593eeb0729 100644
--- a/homeassistant/components/nzbget/config_flow.py
+++ b/homeassistant/components/nzbget/config_flow.py
@@ -38,8 +38,8 @@ def validate_input(hass: HomeAssistantType, data: dict) -> Dict[str, Any]:
     """
     nzbget_api = NZBGetAPI(
         data[CONF_HOST],
-        data[CONF_USERNAME] if data[CONF_USERNAME] != "" else None,
-        data[CONF_PASSWORD] if data[CONF_PASSWORD] != "" else None,
+        data.get(CONF_USERNAME),
+        data.get(CONF_PASSWORD),
         data[CONF_SSL],
         data[CONF_VERIFY_SSL],
         data[CONF_PORT],
diff --git a/homeassistant/components/nzbget/coordinator.py b/homeassistant/components/nzbget/coordinator.py
index 8892475bc09..9a76d802bdd 100644
--- a/homeassistant/components/nzbget/coordinator.py
+++ b/homeassistant/components/nzbget/coordinator.py
@@ -29,8 +29,8 @@ class NZBGetDataUpdateCoordinator(DataUpdateCoordinator):
         """Initialize global NZBGet data updater."""
         self.nzbget = NZBGetAPI(
             config[CONF_HOST],
-            config[CONF_USERNAME] if config[CONF_USERNAME] != "" else None,
-            config[CONF_PASSWORD] if config[CONF_PASSWORD] != "" else None,
+            config.get(CONF_USERNAME),
+            config.get(CONF_PASSWORD),
             config[CONF_SSL],
             config[CONF_VERIFY_SSL],
             config[CONF_PORT],