diff --git a/Jakefile b/Jakefile
index 821f755650c..8454c85fac3 100644
--- a/Jakefile
+++ b/Jakefile
@@ -81,7 +81,7 @@ var harnessSources = [
 ].map(function (f) {
     return path.join(harnessDirectory, f);
 }).concat([
-	"services/colorization.ts",
+    "services/colorization.ts",
     "services/documentRegistry.ts",
     "services/preProcessFile.ts"
 ].map(function (f) {