diff --git a/app/javascript/editor/types/multimedia.ts b/app/javascript/editor/types/multimedia.ts
index e304a411..54c430f3 100644
--- a/app/javascript/editor/types/multimedia.ts
+++ b/app/javascript/editor/types/multimedia.ts
@@ -61,8 +61,13 @@ function select (editor: Editor, el: HTMLElement): void {
 
 	const innerEl = el.querySelector<HTMLElement>('[data-multimedia-inner]')
 	if (!innerEl) throw new Error('No hay multimedia válida')
-	if (innerEl.tagName !== 'P') 
-		editor.toolbar.auxiliary.multimedia.altEl.value = getAlt(innerEl) || ''
+	if (innerEl.tagName === "P") {
+		editor.toolbar.auxiliary.multimedia.altEl.value = "";
+		editor.toolbar.auxiliary.multimedia.altEl.disabled = true;
+	} else {
+		editor.toolbar.auxiliary.multimedia.altEl.value = getAlt(innerEl) || "";
+		editor.toolbar.auxiliary.multimedia.altEl.disabled = false;
+	}
 
 	setAuxiliaryToolbar(editor, editor.toolbar.auxiliary.multimedia.parentEl)
 }
@@ -146,6 +151,8 @@ export function setupAuxiliaryToolbar (editor: Editor): void {
 				setAlt(el, editor.toolbar.auxiliary.multimedia.altEl.value)
 				selectedEl.replaceChild(el, innerEl)
 
+				select(editor, selectedEl)
+
 				delete selectedEl.dataset.editorError
 			})
 			.catch(err => {