diff --git a/src/cmp/cmpwt.lsp b/src/cmp/cmpwt.lsp
index ea967fa7d..88eac5f0a 100644
--- a/src/cmp/cmpwt.lsp
+++ b/src/cmp/cmpwt.lsp
@@ -115,7 +115,9 @@
       (let ((strings (produce-strings)))
 	(if strings
 	    (output-c-strings strings stream)
-	    (princ "#define compiler_data_text NULL" stream))))))
+	    (princ "#define compiler_data_text NULL" stream))
+	;; Ensure a final newline or some compilers complain
+	(terpri stream)))))
 
 (defun data-empty-loc ()
   (add-object 0 :duplicate t :permanent t))