diff --git a/runcoms/zlogin b/runcoms/zlogin
index 9e31577..e27e233 100644
--- a/runcoms/zlogin
+++ b/runcoms/zlogin
@@ -9,7 +9,7 @@
 {
   # Compile the completion dump to increase startup speed.
   zcompdump="${ZDOTDIR:-$HOME}/.zcompdump"
-  if [[ "$zcompdump" -nt "${zcompdump}.zwc" || ! -s "${zcompdump}.zwc" ]]; then
+  if [[ -s "$zcompdump" && (! -s "${zcompdump}.zwc" || "$zcompdump" -nt "${zcompdump}.zwc") ]]; then
     zcompile "$zcompdump"
   fi