diff --git a/modules/tools/lsp/doctor.el b/modules/tools/lsp/doctor.el
index 9b67ae95c..f4e7c7ed4 100644
--- a/modules/tools/lsp/doctor.el
+++ b/modules/tools/lsp/doctor.el
@@ -8,5 +8,7 @@
     (warn! "Couldn't find npm. `lsp-mode' needs npm to auto-install some LSP servers. For more information, see https://emacs-lsp.github.io/lsp-mode/page/languages/.")))
 
 (when (modulep! +booster)
-  (unless (executable-find "emacs-lsp-booster")
-    (warn! "Couldn't find emacs-lsp-booster executable.")))
+  (if (modulep! +eglot)
+      (unless (executable-find "emacs-lsp-booster")
+        (warn! "Couldn't find emacs-lsp-booster executable."))
+    (error! "+booster does nothing without +eglot")))