diff --git a/src/css/prosemirror.scss b/src/css/prosemirror.scss
index 2b5b649c2f8..1992c5b7c01 100644
--- a/src/css/prosemirror.scss
+++ b/src/css/prosemirror.scss
@@ -421,3 +421,9 @@ div.ProseMirror {
 .tippy-content div {
 	visibility: visible !important;
 }
+
+div.ProseMirror[contenteditable='false'] {
+	table {
+		width: 100%;
+	}
+}