diff --git a/oni/home/services/zsh.scm b/oni/home/services/zsh.scm
index 07e7697..4de41cc 100644
--- a/oni/home/services/zsh.scm
+++ b/oni/home/services/zsh.scm
@@ -144,7 +144,7 @@
    (description "Install and configure zsh-autopair.")))
 
 (define (serialize-integer field value)
-  (format #f "~a = ~a" (string-replace-substring (symbol->string field) "-" "_") value))
+  (format #f "~a = ~a~%" (string-replace-substring (symbol->string field) "-" "_") value))
 
 (define (serialize-filter-mode field value)
   (format #f "~a = ~s~%" (string-replace-substring (symbol->string field) "-" "_")