diff --git a/src/components/bottom_bar/bottom_bar.ts b/src/components/bottom_bar/bottom_bar.ts
index 0190d54ea..f632e7d3a 100644
--- a/src/components/bottom_bar/bottom_bar.ts
+++ b/src/components/bottom_bar/bottom_bar.ts
@@ -240,7 +240,7 @@ export class BottomBar extends Component<Props, SpreadsheetChildEnv> {
   }
 
   onSheetMouseDown(sheetId: UID, event: MouseEvent) {
-    if (event.button !== 0) return;
+    if (event.button !== 0 || this.env.model.getters.isReadonly()) return;
     this.closeMenu();
 
     const mouseX = event.clientX;
diff --git a/tests/components/bottom_bar.test.ts b/tests/components/bottom_bar.test.ts
index 5d00d3213..09f8d3013 100644
--- a/tests/components/bottom_bar.test.ts
+++ b/tests/components/bottom_bar.test.ts
@@ -825,5 +825,12 @@ describe("BottomBar component", () => {
       await dragSheet("Sheet1", { mouseMoveX: 10, mouseUp: false });
       expect(fixture.querySelector(".o-menu")).toBeFalsy();
     });
+
+    test("Cannot drag & drop sheets in readonly mode", async () => {
+      model.updateMode("readonly");
+      await dragSheet("Sheet1", { mouseMoveX: 10, mouseUp: false });
+      expect(getElComputedStyle('.o-sheet[data-id="Sheet1"]', "position")).toBe("");
+      expect(getElComputedStyle('.o-sheet[data-id="Sheet1"]', "left")).toBe("");
+    });
   });
 });