diff --git a/frontend/src/app/main/ui/shapes/attrs.cljs b/frontend/src/app/main/ui/shapes/attrs.cljs
index 14bee9725..e2bcf1156 100644
--- a/frontend/src/app/main/ui/shapes/attrs.cljs
+++ b/frontend/src/app/main/ui/shapes/attrs.cljs
@@ -124,7 +124,7 @@
                  (not= :inner alignment)
                  (not= :outer alignment)
                  (not= :dotted style))
-            (obj/set! attrs "strokeLinecap" caps-start)
+            (obj/set! attrs "strokeLinecap" (name caps-start))
 
             (= :dotted style)
             (obj/set! attrs "strokeLinecap" "round"))