diff --git a/src/vim.h b/src/vim.h
index 9fc38f5..bc0b334 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -324,6 +324,7 @@
 # else
 #  define PATH_ESC_CHARS ((char_u *)" \t*?[{`$\\%#'\"|")
 # endif
+# define SHELL_ESC_CHARS ((char_u *)" \t*?[{`$\\%#'\"|<>();&!")
 #endif
 
 #define NUMBUFLEN 30	    /* length of a buffer to store a number in ASCII */