diff --git a/packages/ckeditor5-math/src/ui/mainformview.ts b/packages/ckeditor5-math/src/ui/mainformview.ts
index f5f630dff..3a1d913d8 100644
--- a/packages/ckeditor5-math/src/ui/mainformview.ts
+++ b/packages/ckeditor5-math/src/ui/mainformview.ts
@@ -168,8 +168,6 @@ export default class MainFormView extends View {
 		super.destroy();
 		this._resizeObserver?.disconnect();
 		document.removeEventListener( 'mouseup', this._onMouseUp );
-		this.mathLiveInputView.element?.removeEventListener( 'mousedown', this._onMouseDown );
-		this.rawLatexInputView.element?.removeEventListener( 'mousedown', this._onMouseDown );
 	}
 
 	public focus(): void {
@@ -212,8 +210,7 @@ export default class MainFormView extends View {
 		if ( this.rawLatexInputView.element ) this._resizeObserver?.observe( this.rawLatexInputView.element );
 	};
 
-	private _onMouseDown = ( evt: Event ) => {
-		const target = evt.currentTarget as HTMLElement;
+	private _onMouseDown( target: HTMLElement ) {
 		this._activeResizeTarget = target;
 
 		// Stop observing the OTHER element to prevent loops and errors while resizing
@@ -226,15 +223,21 @@ export default class MainFormView extends View {
 				this._resizeObserver?.unobserve( this.mathLiveInputView.element );
 			}
 		}
-	};
+	}
 
 	private _initResizeSync() {
-		if ( this.mathLiveInputView.element ) {
-			this.mathLiveInputView.element.addEventListener( 'mousedown', this._onMouseDown );
-		}
-		if ( this.rawLatexInputView.element ) {
-			this.rawLatexInputView.element.addEventListener( 'mousedown', this._onMouseDown );
-		}
+		this.listenTo( this.mathLiveInputView, 'mousedown', () => {
+			if ( this.mathLiveInputView.element ) {
+				this._onMouseDown( this.mathLiveInputView.element );
+			}
+		} );
+
+		this.listenTo( this.rawLatexInputView, 'mousedown', () => {
+			if ( this.rawLatexInputView.element ) {
+				this._onMouseDown( this.rawLatexInputView.element );
+			}
+		} );
+
 		document.addEventListener( 'mouseup', this._onMouseUp );
 
 		// Synchronize width between MathLive and Raw LaTeX inputs
diff --git a/packages/ckeditor5-math/src/ui/mathliveinputview.ts b/packages/ckeditor5-math/src/ui/mathliveinputview.ts
index 689ec891a..9dbce2903 100644
--- a/packages/ckeditor5-math/src/ui/mathliveinputview.ts
+++ b/packages/ckeditor5-math/src/ui/mathliveinputview.ts
@@ -49,6 +49,11 @@ export default class MathLiveInputView extends View {
 	public override render(): void {
 		super.render();
 
+		// Propagate mousedown event to the view
+		this.element!.addEventListener( 'mousedown', ( evt ) => {
+			this.fire( 'mousedown', evt );
+		} );
+
 		// Create the MathLive math-field custom element
 		const mathfield = document.createElement( 'math-field' ) as any;
 		this.mathfield = mathfield;
diff --git a/packages/ckeditor5-math/src/ui/rawlatexinputview.ts b/packages/ckeditor5-math/src/ui/rawlatexinputview.ts
index 871f23e72..4c994778d 100644
--- a/packages/ckeditor5-math/src/ui/rawlatexinputview.ts
+++ b/packages/ckeditor5-math/src/ui/rawlatexinputview.ts
@@ -2,21 +2,21 @@ import { LabeledFieldView, createLabeledTextarea, type Locale, type TextareaView
 
 /**
  * A labeled textarea view for direct LaTeX code editing.
- * 
+ *
  * This provides a plain text input for users who prefer to write LaTeX syntax directly
  * or need to paste/edit raw LaTeX code.
  */
 export default class RawLatexInputView extends LabeledFieldView<TextareaView> {
 	/**
 	 * The current LaTeX value.
-	 * 
+	 *
 	 * @observable
 	 */
 	public declare value: string;
-	
+
 	/**
 	 * Whether the input is in read-only mode.
-	 * 
+	 *
 	 * @observable
 	 */
 	public declare isReadOnly: boolean;
@@ -57,5 +57,10 @@ export default class RawLatexInputView extends LabeledFieldView<TextareaView> {
 	public override render(): void {
 		super.render();
 		// All styling is handled via CSS in mathform.css
+
+		// Propagate mousedown event to the view
+		this.element!.addEventListener( 'mousedown', ( evt ) => {
+			this.fire( 'mousedown', evt );
+		} );
 	}
 }