diff --git a/intro_to_ml.Rproj b/intro_to_ml.Rproj
index a680331..3085961 100644
--- a/intro_to_ml.Rproj
+++ b/intro_to_ml.Rproj
@@ -12,4 +12,6 @@ Encoding: UTF-8
 RnwWeave: Sweave
 LaTeX: pdfLaTeX
 
+BuildType: Makefile
+
 SpellingDictionary: fr_FR