diff --git a/modules/lang/csharp/config.el b/modules/lang/csharp/config.el
index 6b795a629..41b2ded8b 100644
--- a/modules/lang/csharp/config.el
+++ b/modules/lang/csharp/config.el
@@ -11,8 +11,9 @@
   (setq omnisharp-auto-complete-want-documentation nil
         omnisharp-cache-directory (concat doom-cache-dir "omnisharp"))
   :config
-  (unless (file-exists-p (omnisharp--server-installation-path t))
-    (warn! "Omnisharp server isn't installed, completion won't work"))
+  (let ((omnisharp-bin (or omnisharp-server-executable-path (omnisharp--server-installation-path t))))
+    (unless (file-exists-p omnisharp-bin)
+      (warn! "Omnisharp server isn't installed, completion won't work")))
 
   (add-hook! csharp-mode #'(eldoc-mode flycheck-mode omnisharp-mode))