diff --git a/src/api/client/capabilities.rs b/src/api/client/capabilities.rs
index 87cdb43d..7188aa23 100644
--- a/src/api/client/capabilities.rs
+++ b/src/api/client/capabilities.rs
@@ -1,6 +1,7 @@
 use std::collections::BTreeMap;
 
 use axum::extract::State;
+use conduwuit::{Result, Server};
 use ruma::{
 	api::client::discovery::get_capabilities::{
 		self, Capabilities, GetLoginTokenCapability, RoomVersionStability,
@@ -10,7 +11,7 @@ use ruma::{
 };
 use serde_json::json;
 
-use crate::{Result, Ruma};
+use crate::Ruma;
 
 /// # `GET /_matrix/client/v3/capabilities`
 ///
@@ -21,7 +22,7 @@ pub(crate) async fn get_capabilities_route(
 	_body: Ruma<get_capabilities::v3::Request>,
 ) -> Result<get_capabilities::v3::Response> {
 	let available: BTreeMap<RoomVersionId, RoomVersionStability> =
-		services.server.available_room_versions().collect();
+		Server::available_room_versions().collect();
 
 	let mut capabilities = Capabilities::default();
 	capabilities.room_versions = RoomVersionsCapability {
diff --git a/src/core/config/check.rs b/src/core/config/check.rs
index 06ae5ebb..d7be54b1 100644
--- a/src/core/config/check.rs
+++ b/src/core/config/check.rs
@@ -4,7 +4,7 @@ use either::Either;
 use figment::Figment;
 
 use super::DEPRECATED_KEYS;
-use crate::{debug, debug_info, debug_warn, error, warn, Config, Err, Result};
+use crate::{debug, debug_info, debug_warn, error, warn, Config, Err, Result, Server};
 
 #[allow(clippy::cognitive_complexity)]
 pub fn check(config: &Config) -> Result<()> {
@@ -233,6 +233,16 @@ pub fn check(config: &Config) -> Result<()> {
 		}
 	}
 
+	if !Server::available_room_versions()
+		.any(|(version, _)| version == config.default_room_version)
+	{
+		return Err!(Config(
+			"default_room_version",
+			"Room version {:?} is not available",
+			config.default_room_version
+		));
+	}
+
 	Ok(())
 }
 
diff --git a/src/core/info/room_version.rs b/src/core/info/room_version.rs
index 40f0cf0a..b33a8562 100644
--- a/src/core/info/room_version.rs
+++ b/src/core/info/room_version.rs
@@ -20,6 +20,8 @@ pub const STABLE_ROOM_VERSIONS: &[RoomVersionId] = &[
 pub const UNSTABLE_ROOM_VERSIONS: &[RoomVersionId] =
 	&[RoomVersionId::V2, RoomVersionId::V3, RoomVersionId::V4, RoomVersionId::V5];
 
+type RoomVersion = (RoomVersionId, RoomVersionStability);
+
 impl crate::Server {
 	#[inline]
 	pub fn supported_room_version(&self, version: &RoomVersionId) -> bool {
@@ -28,15 +30,13 @@ impl crate::Server {
 
 	#[inline]
 	pub fn supported_room_versions(&self) -> impl Iterator<Item = RoomVersionId> + '_ {
-		self.available_room_versions()
+		Self::available_room_versions()
 			.filter(|(_, stability)| self.supported_stability(stability))
 			.map(at!(0))
 	}
 
 	#[inline]
-	pub fn available_room_versions(
-		&self,
-	) -> impl Iterator<Item = (RoomVersionId, RoomVersionStability)> {
+	pub fn available_room_versions() -> impl Iterator<Item = RoomVersion> {
 		available_room_versions()
 	}
 
@@ -46,7 +46,7 @@ impl crate::Server {
 	}
 }
 
-pub fn available_room_versions() -> impl Iterator<Item = (RoomVersionId, RoomVersionStability)> {
+pub fn available_room_versions() -> impl Iterator<Item = RoomVersion> {
 	let unstable_room_versions = UNSTABLE_ROOM_VERSIONS
 		.iter()
 		.cloned()
diff --git a/src/service/globals/mod.rs b/src/service/globals/mod.rs
index f6ff2b09..fe84578a 100644
--- a/src/service/globals/mod.rs
+++ b/src/service/globals/mod.rs
@@ -72,14 +72,6 @@ impl crate::Service for Service {
 			registration_token,
 		};
 
-		if !args
-			.server
-			.supported_room_version(&config.default_room_version)
-		{
-			error!(config=?s.config.default_room_version, fallback=?conduwuit::config::default_default_room_version(), "Room version in config isn't supported, falling back to default version");
-			s.config.default_room_version = conduwuit::config::default_default_room_version();
-		};
-
 		Ok(Arc::new(s))
 	}