diff --git a/Makefile b/Makefile
index e272dee..ce30363 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ generate: build
 		./tests/reference_to_pointer.go \
 		./tests/html.go \
 		./tests/unknown_fields.go \
-    ./tests/type_declaration.go
+		./tests/type_declaration.go
 
 	bin/easyjson -all ./tests/data.go
 	bin/easyjson -all ./tests/nothing.go
@@ -37,7 +37,7 @@ generate: build
 	bin/easyjson ./tests/key_marshaler_map.go
 	bin/easyjson -disallow_unknown_fields ./tests/disallow_unknown.go
 	bin/easyjson ./tests/unknown_fields.go
-  bin/easyjson ./tests/type_declaration.go
+	bin/easyjson ./tests/type_declaration.go
 
 test: generate
 	go test \