diff --git a/Cargo.toml b/Cargo.toml
index 65ad1e62..e8375300 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,6 +41,7 @@ ws = { version = "0.7", optional = true}
 # Tests
 [dev-dependencies]
 tempdir = "0.3.4"
+pretty_assertions = "0.2.1"
 
 [build-dependencies]
 error-chain = "0.10"
diff --git a/src/lib.rs b/src/lib.rs
index 16ac0ed7..8eac6b46 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -76,13 +76,17 @@ extern crate serde_derive;
 extern crate serde;
 #[macro_use] 
 extern crate serde_json;
+#[macro_use]
+extern crate log;
 
 extern crate handlebars;
 extern crate pulldown_cmark;
 extern crate regex;
 
+#[cfg(test)]
 #[macro_use]
-extern crate log;
+extern crate pretty_assertions;
+
 pub mod book;
 pub mod config;
 mod parse;