diff --git a/packages/core/application/application-common.ts b/packages/core/application/application-common.ts
index c7cbc0385..d27dee9c5 100644
--- a/packages/core/application/application-common.ts
+++ b/packages/core/application/application-common.ts
@@ -149,6 +149,11 @@ export function orientationChanged(rootView: View, newOrientation: 'portrait' |
 	});
 }
 export let autoSystemAppearanceChanged = true;
+
+export function setAutoSystemAppearanceChanged(value: boolean) {
+	autoSystemAppearanceChanged = value;
+}
+
 export function systemAppearanceChanged(rootView: View, newSystemAppearance: 'dark' | 'light'): void {
 	if (!rootView || !autoSystemAppearanceChanged) {
 		return;
diff --git a/packages/core/application/index.d.ts b/packages/core/application/index.d.ts
index 217efbecf..9d0106c3a 100644
--- a/packages/core/application/index.d.ts
+++ b/packages/core/application/index.d.ts
@@ -58,6 +58,12 @@ export const systemAppearanceChangedEvent: string;
  * Boolean to enable/disable systemAppearanceChanged
  */
 export let autoSystemAppearanceChanged = true;
+
+/**
+ * enable/disable systemAppearanceChanged
+ */
+export function setAutoSystemAppearanceChanged (value: boolean);
+
 /**
  * Updates root view classes including those of modals
  * @param rootView the root view