diff --git a/packages/frontend-core/src/components/grid/cells/DataCell.svelte b/packages/frontend-core/src/components/grid/cells/DataCell.svelte
index e9293f95b2..3e9d6b6b05 100644
--- a/packages/frontend-core/src/components/grid/cells/DataCell.svelte
+++ b/packages/frontend-core/src/components/grid/cells/DataCell.svelte
@@ -90,7 +90,11 @@
     selectedCells.actions.startSelecting(cellId)
   }
 
-  const updateSelection = () => {
+  const updateSelection = e => {
+    if (e.buttons !== 1) {
+      selectedCells.actions.stopSelecting()
+      return
+    }
     if ($focusedCellId) {
       focusedCellId.set(null)
     }