diff --git a/services/web/.eslintrc b/services/web/.eslintrc
index e897b06892..17ce9968ca 100644
--- a/services/web/.eslintrc
+++ b/services/web/.eslintrc
@@ -18,6 +18,8 @@
     }
   },
   "rules": {
+    "no-constant-binary-expression": "error",
+
     // do not allow importing of implicit dependencies.
     "import/no-extraneous-dependencies": "error",
 
diff --git a/services/web/frontend/js/features/source-editor/components/figure-modal/figure-modal.tsx b/services/web/frontend/js/features/source-editor/components/figure-modal/figure-modal.tsx
index 163561856a..929c73f543 100644
--- a/services/web/frontend/js/features/source-editor/components/figure-modal/figure-modal.tsx
+++ b/services/web/frontend/js/features/source-editor/components/figure-modal/figure-modal.tsx
@@ -217,8 +217,8 @@ const FigureModalContent = () => {
                 '\\begin{figure}',
                 '\t\\centering',
                 `\t\\includegraphics${widthArgument}{${path}}`,
-                `\t${captionCommand}` || null,
-                `\t${labelCommand}` || null,
+                `\t${captionCommand}`,
+                `\t${labelCommand}`,
                 `\\end{figure}${suffix}`,
               ],
               view.state,