diff --git a/app/soapbox/actions/instance.ts b/app/soapbox/actions/instance.ts
index 150e9cc86..994231c12 100644
--- a/app/soapbox/actions/instance.ts
+++ b/app/soapbox/actions/instance.ts
@@ -59,7 +59,7 @@ export function fetchInstance() {
     return api(getState).get('/api/v1/instance').then(({ data: instance }: { data: Record<string, any> }) => {
       dispatch({ type: INSTANCE_FETCH_SUCCESS, instance });
       if (needsNodeinfo(instance)) {
-        dispatch(fetchNodeinfo()); // Pleroma < 2.1 backwards compatibility
+        dispatch(fetchNodeinfo() as any); // Pleroma < 2.1 backwards compatibility
       }
     }).catch(error => {
       console.error(error);
@@ -73,8 +73,10 @@ export function loadInstance() {
   return (dispatch: AppDispatch, getState: () => RootState) => {
     const host = getHost(getState());
 
-    return dispatch(rememberInstance(host)).finally(() => {
-      return dispatch(fetchInstance());
+    if (!host) return new Promise(r => r(null));
+
+    return dispatch(rememberInstance(host) as any).finally(() => {
+      return dispatch(fetchInstance() as any);
     });
   };
 }
diff --git a/app/soapbox/reducers/statuses.ts b/app/soapbox/reducers/statuses.ts
index 059e153da..404094b95 100644
--- a/app/soapbox/reducers/statuses.ts
+++ b/app/soapbox/reducers/statuses.ts
@@ -86,7 +86,7 @@ export const calculateStatus = (
     const emojiMap      = makeEmojiMap(status.emojis);
 
     return status.merge({
-      search_index: domParser.parseFromString(searchContent, 'text/html').documentElement.textContent,
+      search_index: domParser.parseFromString(searchContent, 'text/html').documentElement.textContent || undefined,
       contentHtml: stripCompatibilityFeatures(emojify(status.content, emojiMap)),
       spoilerHtml: emojify(escapeTextContentForBrowser(spoilerText), emojiMap),
       hidden: expandSpoilers ? false : spoilerText.length > 0 || status.sensitive,
diff --git a/app/soapbox/storage/kv_store.ts b/app/soapbox/storage/kv_store.ts
index 5b7225c0d..941144050 100644
--- a/app/soapbox/storage/kv_store.ts
+++ b/app/soapbox/storage/kv_store.ts
@@ -1,17 +1,17 @@
 import localforage from 'localforage';
 
 interface IKVStore extends LocalForage {
-  getItemOrError?: (key: string) => Promise<any>,
+  getItemOrError: (key: string) => Promise<any>,
 }
 
 // localForage
 // https://localforage.github.io/localForage/#settings-api-config
-export const KVStore: IKVStore = localforage.createInstance({
+export const KVStore = localforage.createInstance({
   name: 'soapbox',
   description: 'Soapbox offline data store',
   driver: localforage.INDEXEDDB,
   storeName: 'keyvaluepairs',
-});
+}) as IKVStore;
 
 // localForage returns 'null' when a key isn't found.
 // In the Redux action flow, we want it to fail harder.
diff --git a/app/soapbox/utils/config_db.ts b/app/soapbox/utils/config_db.ts
index 1ea8a0b8c..deb5d048a 100644
--- a/app/soapbox/utils/config_db.ts
+++ b/app/soapbox/utils/config_db.ts
@@ -13,7 +13,7 @@ const find = (
   configs: ImmutableList<Config>,
   group: string,
   key: string,
-): Config => {
+): Config | undefined => {
   return configs.find(config =>
     config.isSuperset(ImmutableMap({ group, key })),
   );
diff --git a/app/soapbox/utils/theme.ts b/app/soapbox/utils/theme.ts
index d6225378e..bb83b0111 100644
--- a/app/soapbox/utils/theme.ts
+++ b/app/soapbox/utils/theme.ts
@@ -61,19 +61,28 @@ function hslToHex(color: Hsl): string {
 }
 
 // Generate accent color from brand color
-export const generateAccent = (brandColor: string): string => {
-  const { h } = rgbToHsl(hexToRgb(brandColor));
+export const generateAccent = (brandColor: string): string | null => {
+  const rgb = hexToRgb(brandColor);
+  if (!rgb) return null;
+
+  const { h } = rgbToHsl(rgb);
   return hslToHex({ h: h - 15, s: 86, l: 44 });
 };
 
 const parseShades = (obj: Record<string, any>, color: string, shades: Record<string, any>) => {
   if (typeof shades === 'string') {
-    const { r, g, b } = hexToRgb(shades);
+    const rgb = hexToRgb(shades);
+    if (!rgb) return obj;
+
+    const { r, g, b } = rgb;
     return obj[`--color-${color}`] = `${r} ${g} ${b}`;
   }
 
   return Object.keys(shades).forEach(shade => {
-    const { r, g, b } = hexToRgb(shades[shade]);
+    const rgb = hexToRgb(shades[shade]);
+    if (!rgb) return;
+
+    const { r, g, b } = rgb;
     obj[`--color-${color}-${shade}`] = `${r} ${g} ${b}`;
   });
 };
diff --git a/tsconfig.json b/tsconfig.json
index fa80d5507..6af5fd813 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,7 +2,7 @@
   "compilerOptions": {
     "baseUrl": "app/",
     "sourceMap": true,
-    "noImplicitAny": true,
+    "strict": true,
     "module": "es6",
     "target": "es5",
     "jsx": "react",