diff --git a/src/cellmanager.js b/src/cellmanager.js
index 23c6b1d..6e5357b 100644
--- a/src/cellmanager.js
+++ b/src/cellmanager.js
@@ -643,7 +643,7 @@ export default class CellManager {
     }
 
     focusCellInDirection(direction) {
-        if (!this.$focusedCell) {
+        if (!this.$focusedCell || (this.$editingCell && ['left', 'right', 'up', 'down'].includes(direction))) {
             return false;
         } else if (this.$editingCell && ['tab', 'shift+tab'].includes(direction)) {
             this.deactivateEditing();