--- a/misc_cmd.c	Tue May 17 20:54:05 2005 +0000
+++ b/misc_cmd.c	Tue May 17 20:58:58 2005 +0000
@@ -129,6 +129,8 @@
 	StringID str;
 	Player *p;
 
+	if (_cmd_text[0] == '\0') return CMD_ERROR;
+
 	str = AllocateNameUnique(_cmd_text, 4);
 	if (str == 0) return CMD_ERROR;
 
@@ -153,6 +155,8 @@
 	StringID str;
 	Player *p;
 
+	if (_cmd_text[0] == '\0') return CMD_ERROR;
+
 	str = AllocateNameUnique(_cmd_text, 4);
 	if (str == 0) return CMD_ERROR;