--- util.c.orig
+++ util.c
@@ -163,6 +163,7 @@ bool opt_filter(char **vec, const char opt)
 
 bool check_command( char *cl, ShellOptions_t *opts, char *cmd, int cmdflag )
 {
+	char	*cmd_dup;
 	char	*prog;		/* basename of cmd */
 	char 	*tmp = cl;
 	bool	need_free = FALSE;
@@ -186,11 +187,13 @@ bool check_command( char *cl, ShellOptions_t *opts, char *cmd, int cmdflag )
 		}
 
 		/* compare tmp to cmd and prog for match */
-		prog = basename(cmd);
+		cmd_dup = strdup(cmd);
+		prog = basename(cmd_dup);
 		if ( !(strcmp(tmp, cmd)) || !(strcmp(tmp, prog))){
 			log_msg("cmd '%s' approved", prog);
 			rc = TRUE;
 		}	
+		free(cmd_dup);
 	}
 	if (need_free) free(tmp);
 	return rc;