diff --git a/src/vim.h b/src/vim.h
index 825c844..fe8f558 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -841,6 +841,8 @@
 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
  * is used when executing commands and EW_SILENT for interactive expanding. */
 #define EW_ALLLINKS	0x1000	/* also links not pointing to existing file */
+#define EW_SHELLCMD	0x2000	/* called from expand_shellcmd(), don't check
+				 * if executable is in $PATH */
 
 /* Flags for find_file_*() functions. */
 #define FINDFILE_FILE	0	/* only files */