diff --git a/src/javascript/enhancements/anilyr.ts b/src/javascript/enhancements/anilyr.ts
index 98c6db3..7e32362 100644
--- a/src/javascript/enhancements/anilyr.ts
+++ b/src/javascript/enhancements/anilyr.ts
@@ -8,7 +8,7 @@ const PLAYER_ID = 'player';
 export function init(): void {
     getGlobalConfiguration().getProperty(SETTINGS_playerAutoplayAfterScreenshot, value => {
         if (value) {
-            core.registerScript(node => {
+            core.registerScript((node: Node) => {
                 let element = node as HTMLElement;
                 if (helper.assigned(element) && element.id === SCREENSHOT_TOOLTIP_ID) {
                     observeScreenshotTooltip(element);
diff --git a/src/javascript/enhancements/animeRequests.ts b/src/javascript/enhancements/animeRequests.ts
index 5a970dd..9e9922c 100644
--- a/src/javascript/enhancements/animeRequests.ts
+++ b/src/javascript/enhancements/animeRequests.ts
@@ -5,7 +5,7 @@ import * as color from '../utils/colors';
 export function init(): void {
     getGlobalConfiguration().getProperty(SETTINGS_requestBeautifyPage, value => {
         if (value) {
-            core.registerScript(node => {
+            core.registerScript((node: Node) => {
                 // run the scripts
                 if (node instanceof HTMLElement) {
                     changeFollowedStarColor(node);
diff --git a/src/javascript/enhancements/cssEnhancements.ts b/src/javascript/enhancements/cssEnhancements.ts
index e30c1fc..801e95f 100644
--- a/src/javascript/enhancements/cssEnhancements.ts
+++ b/src/javascript/enhancements/cssEnhancements.ts
@@ -18,7 +18,7 @@ export function init(): void {
                 }
             };
 
-            core.registerScript(node => {
+            core.registerScript((node: Node) => {
                 if (node instanceof Element) {
                     disableFunc(node);
                 }
diff --git a/src/javascript/enhancements/fontColor.ts b/src/javascript/enhancements/fontColor.ts
index 59da798..f01435b 100644
--- a/src/javascript/enhancements/fontColor.ts
+++ b/src/javascript/enhancements/fontColor.ts
@@ -18,7 +18,7 @@ export function init(): void {
                 checkRunColorOptimization(document.documentElement);
             }, ".*");
 
-            core.registerScript(node => {
+            core.registerScript((node: Node) => {
                 if (node instanceof Element) {
                     checkRunColorOptimization(node);
                 }