diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 39f6791..f52e2ab 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -1551,9 +1551,10 @@
 {
     char_u	*buf;
     long_u	len;
-    int		is_fish_shell;
 
 #if (defined(UNIX) && !defined(ARCHIE)) || defined(OS2)
+    int		is_fish_shell;
+
     /* Account for fish's different syntax for subshells */
     is_fish_shell = (fnamecmp(get_isolated_shell_name(), "fish") == 0);
     if (is_fish_shell)