diff --git a/src/main.ts b/src/main.ts
index 6d0e488..2f88fef 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -42,9 +42,16 @@ if(splash) {
 
 console.info(`LiveAtlas version ${store.state.version} - https://github.com/JLyne/LiveAtlas`);
 
+store.subscribe((mutation, state) => {
+	if(mutation.type === 'toggleSidebarSectionCollapsedState' || mutation.type === 'setSidebarSectionCollapsedState') {
+		localStorage.setItem('collapsedSections', JSON.stringify(Array.from(state.ui.sidebar.collapsedSections)));
+	}
+});
+
 try {
 	const config = validateConfiguration();
 
+	store.commit(MutationTypes.INIT, undefined);
 	store.commit(MutationTypes.SET_SERVERS, config);
 
 	if(config.size > 1) {
diff --git a/src/store/mutation-types.ts b/src/store/mutation-types.ts
index 0842125..bf26145 100644
--- a/src/store/mutation-types.ts
+++ b/src/store/mutation-types.ts
@@ -15,6 +15,8 @@
  */
 
 export enum MutationTypes {
+	INIT ='init',
+
 	SET_SERVERS ='setServers',
 	SET_CONFIGURATION = 'setConfiguration',
 	SET_CONFIGURATION_HASH = 'setConfigurationHash',
diff --git a/src/store/mutations.ts b/src/store/mutations.ts
index 89f0be2..bd0932e 100644
--- a/src/store/mutations.ts
+++ b/src/store/mutations.ts
@@ -39,6 +39,7 @@ export type CurrentMapPayload = {
 }
 
 export type Mutations<S = State> = {
+	[MutationTypes.INIT](state: S): void
 	[MutationTypes.SET_SERVERS](state: S, servers: Map<string, LiveAtlasServerDefinition>): void
 	[MutationTypes.SET_CONFIGURATION](state: S, config: DynmapServerConfig): void
 	[MutationTypes.SET_CONFIGURATION_HASH](state: S, hash: number): void
@@ -90,6 +91,14 @@ export type Mutations<S = State> = {
 }
 
 export const mutations: MutationTree<State> & Mutations = {
+	[MutationTypes.INIT](state: State) {
+		const collapsedSections = localStorage.getItem('collapsedSections');
+
+		if(collapsedSections) {
+			state.ui.sidebar.collapsedSections = new Set(JSON.parse(collapsedSections));
+		}
+	},
+
 	// Sets configuration options from the initial config fetch
 	[MutationTypes.SET_SERVERS](state: State, config: Map<string, LiveAtlasServerDefinition>) {
 		state.servers = config;