diff --git a/web/js/common/autocomplete.js b/web/js/common/autocomplete.js
index 6c169ae..ecfea7b 100644
--- a/web/js/common/autocomplete.js
+++ b/web/js/common/autocomplete.js
@@ -291,8 +291,7 @@ class TextAreaCaretHelper {
 
 			this.el.value =
 				this.el.value.substring(0, startPos + offset) + value + this.el.value.substring(endPos, this.el.value.length);
-			this.el.selectionStart = startPos + value.length;
-			this.el.selectionEnd = startPos + value.length;
+			this.el.selectionEnd = this.el.selectionStart = startPos + value.length + offset;
 		} else {
 			this.el.value += value;
 		}
@@ -395,6 +394,8 @@ export class TextAreaAutoComplete {
 					this.#hide();
 					break;
 			}
+		} else if (e.key === "ArrowUp" || e.key === "ArrowDown" || e.key === "ArrowLeft" || e.key === "ArrowRight") {
+			return;
 		}
 		if (!e.defaultPrevented) {
 			this.#update();