diff --git a/lsp-treemacs-generic.el b/lsp-treemacs-generic.el
index 73d3820..d26474b 100644
--- a/lsp-treemacs-generic.el
+++ b/lsp-treemacs-generic.el
@@ -24,6 +24,8 @@
 
 ;;; Code:
 
+(require 'lsp-mode)
+
 (require 'treemacs)
 (require 'treemacs-treelib)
 (require 'lsp-treemacs-themes)
diff --git a/lsp-treemacs.el b/lsp-treemacs.el
index 4001903..e443819 100644
--- a/lsp-treemacs.el
+++ b/lsp-treemacs.el
@@ -26,6 +26,7 @@
 ;; `lsp-mode' and `treemacs' integration.
 
 ;;; Code:
+
 (require 'treemacs)
 (require 'treemacs-icons)
 (require 'treemacs-treelib)