diff --git a/.editorconfig b/.editorconfig
index 162ee53..dc57784 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,7 +12,7 @@ charset = utf-8
 
 # Tab indentation (no size specified)
 [Makefile]
-indent_style = space
+indent_style = tab
 indent_size = 2
 
 # Indentation override for all JS under lib directory
diff --git a/Makefile b/Makefile
index 0d4c2d8..9878379 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,6 @@ release:
 
 
 travis-build:
-  docker build -t peterbraden/node-opencv-ubuntu-12-04 -f test/Dockerfile-ubuntu-12-04 .
-  docker build -t peterbraden/node-opencv-ubuntu-12-04 -f test/Dockerfile-ubuntu-14-04 .
-
+	docker build -t peterbraden/node-opencv-ubuntu-12-04 -f test/Dockerfile-ubuntu-12-04 .
+	docker build -t peterbraden/node-opencv-ubuntu-14-04 -f test/Dockerfile-ubuntu-14-04 .
 .PHONY: travis-build