diff --git a/ts/routes/image-occlusion/Toolbar.svelte b/ts/routes/image-occlusion/Toolbar.svelte
index fb61f15cf..9df6bf7f5 100644
--- a/ts/routes/image-occlusion/Toolbar.svelte
+++ b/ts/routes/image-occlusion/Toolbar.svelte
@@ -197,7 +197,9 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
                 });
                 break;
             case "fill-mask":
-                if (clicked) colourRef?.click();
+                if (clicked) {
+                    colourRef?.click();
+                }
                 fillMask(canvas, colour);
                 break;
         }