diff --git a/bin/domain/imag-diary/Cargo.toml b/bin/domain/imag-diary/Cargo.toml
index 1e656766..abf7caa0 100644
--- a/bin/domain/imag-diary/Cargo.toml
+++ b/bin/domain/imag-diary/Cargo.toml
@@ -25,8 +25,9 @@ maintenance                       = { status     = "actively-developed" }
 chrono = "0.4"
 log = "0.4.0"
 toml = "0.4"
-toml-query = "0.7"
+toml-query = { git = "https://github.com/matthiasbeyer/toml-query", branch = "failure" }
 itertools = "0.7"
+failure = "0.1"
 
 libimagerror       = { version = "0.9.0", path = "../../../lib/core/libimagerror" }
 libimagstore       = { version = "0.9.0", path = "../../../lib/core/libimagstore" }
diff --git a/bin/domain/imag-diary/src/create.rs b/bin/domain/imag-diary/src/create.rs
index 4f861cec..6fb730f8 100644
--- a/bin/domain/imag-diary/src/create.rs
+++ b/bin/domain/imag-diary/src/create.rs
@@ -21,10 +21,11 @@ use clap::ArgMatches;
 use chrono::NaiveDateTime;
 use chrono::Local;
 use chrono::Timelike;
+use failure::Error;
+use failure::ResultExt;
+use failure::err_msg;
 
 use libimagdiary::diary::Diary;
-use libimagdiary::error::DiaryErrorKind as DEK;
-use libimagdiary::error::ResultExt;
 use libimagentryedit::edit::Edit;
 use libimagrt::runtime::Runtime;
 use libimagerror::trace::MapErrTrace;
@@ -47,8 +48,7 @@ pub fn create(rt: &Runtime) {
         Ok(())
     } else {
         debug!("Editing new diary entry");
-        entry.edit_content(rt)
-            .chain_err(|| DEK::DiaryEditError)
+        entry.edit_content(rt).context(err_msg("Diary edit error")).map_err(Error::from)
     };
 
     let _ = res.map_err_trace_exit_unwrap(1);
@@ -75,7 +75,9 @@ fn create_entry<'a>(diary: &'a Store, diaryname: &str, rt: &Runtime) -> FileLock
         })
         .map(|timed| {
             let time = create_id_from_clispec(&create, &diaryname, timed);
-            diary.new_entry_at(&diaryname, &time).chain_err(|| DEK::StoreWriteError)
+            diary.new_entry_at(&diaryname, &time)
+                .context(err_msg("Store write error"))
+                .map_err(Error::from)
         })
         .unwrap_or_else(|| {
             debug!("Creating non-timed entry");
diff --git a/bin/domain/imag-diary/src/list.rs b/bin/domain/imag-diary/src/list.rs
index a40cd0ff..a1f32ff2 100644
--- a/bin/domain/imag-diary/src/list.rs
+++ b/bin/domain/imag-diary/src/list.rs
@@ -29,9 +29,10 @@ use libimagerror::exit::ExitUnwrap;
 use libimagutil::debug_result::*;
 use libimagdiary::diaryid::DiaryId;
 use libimagdiary::diaryid::FromStoreId;
-use libimagdiary::error::Result;
 use libimagstore::storeid::IntoStoreId;
 
+use failure::Fallible as Result;
+
 use util::get_diary_name;
 
 pub fn list(rt: &Runtime) {
diff --git a/bin/domain/imag-diary/src/main.rs b/bin/domain/imag-diary/src/main.rs
index d48f0288..73a999b5 100644
--- a/bin/domain/imag-diary/src/main.rs
+++ b/bin/domain/imag-diary/src/main.rs
@@ -33,6 +33,7 @@
 )]
 
 #[macro_use] extern crate log;
+#[macro_use] extern crate failure;
 extern crate clap;
 extern crate chrono;
 extern crate toml;
diff --git a/bin/domain/imag-diary/src/util.rs b/bin/domain/imag-diary/src/util.rs
index db56b7ca..f5074ff4 100644
--- a/bin/domain/imag-diary/src/util.rs
+++ b/bin/domain/imag-diary/src/util.rs
@@ -18,10 +18,13 @@
 //
 
 use libimagrt::runtime::Runtime;
-use libimagdiary::error::*;
+use libimagerror::errors::ErrorMsg as EM;
 
 use toml::Value;
 use toml_query::read::TomlValueReadExt;
+use failure::Error;
+use failure::Fallible as Result;
+use failure::ResultExt;
 
 pub fn get_diary_name(rt: &Runtime) -> Option<String> {
     use libimagdiary::config::get_default_diary_name;
@@ -58,14 +61,15 @@ pub fn get_diary_timed_config(rt: &Runtime, diary_name: &str) -> Result<Option<T
         Some(cfg) => {
             let v = cfg
                 .read(&format!("diary.diaries.{}.timed", diary_name))
-                .chain_err(|| DiaryErrorKind::IOError);
+                .context(EM::IO)
+                .map_err(Error::from);
 
             match v {
                 Ok(Some(&Value::String(ref s))) => parse_timed_string(s, diary_name).map(Some),
 
                 Ok(Some(_)) => {
                     let s = format!("Type error at 'diary.diaryies.{}.timed': should be either 'd'/'daily', 'h'/'hourly', 'm'/'minutely' or 's'/'secondly'", diary_name);
-                    Err(s).map_err(From::from)
+                    Err(format_err!("{}", s))
                 },
 
                 Ok(None) => Ok(None),
@@ -87,6 +91,6 @@ pub fn parse_timed_string(s: &str, diary_name: &str) -> Result<Timed> {
     } else {
         let s = format!("Cannot parse config: 'diary.diaries.{}.timed = {}'",
                         diary_name, s);
-        Err(s).map_err(From::from)
+        Err(format_err!("{}", s))
     }
 }