diff --git a/src/lsp/process.lsp b/src/lsp/process.lsp
index 4cc006262..14381a6f7 100644
--- a/src/lsp/process.lsp
+++ b/src/lsp/process.lsp
@@ -43,8 +43,8 @@
         (setf shell comspec
               option "/c")))
     (nth-value 1 (run-program shell (list option cmd-string)
-                              :wait t :output nil :input nil
-                              :error nil))))
+                              :wait t :output nil :input nil :error nil
+                              #+windows :escape-arguments nil))))
 
 ;;;
 ;;; Wrapper around si_run_program call. Thanks to that C interface