diff --git a/api/block/handle.go b/api/block/handle.go
index aa875be..462b3b2 100644
--- a/api/block/handle.go
+++ b/api/block/handle.go
@@ -44,7 +44,7 @@ func (h *blockHandler) handleBlock(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	blockPath := r.URL.Path[len("/api/block/"):]
+	blockPath := chi.URLParam(r, "blockPath")
 	block, err := LoadBlock(blockPath, h.cfg)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)