diff --git a/src/lsp/process.lsp b/src/lsp/process.lsp
index b7e80ad64..4777f88e8 100644
--- a/src/lsp/process.lsp
+++ b/src/lsp/process.lsp
@@ -41,6 +41,6 @@
         (setf shell comspec
               option "/c")))
     (nth-value 1 (run-program shell (list option cmd-string)
-                              :wait t :output t :input t
-                              :error t))))
+                              :wait t :output nil :input nil
+                              :error nil))))