diff --git a/tests/build_process.rs b/tests/build_process.rs
index 85750ab3..a1e49caa 100644
--- a/tests/build_process.rs
+++ b/tests/build_process.rs
@@ -52,7 +52,7 @@ fn mdbook_runs_preprocessors() {
     let cfg = Config::default();
 
     let mut book = MDBook::load_with_config(temp.path(), cfg).unwrap();
-    book.with_preprecessor(Spy(Arc::clone(&spy)));
+    book.with_preprocessor(Spy(Arc::clone(&spy)));
     book.build().unwrap();
 
     let inner = spy.lock().unwrap();