diff --git a/lib/compile/util.js b/lib/compile/util.js
index 7e7f45b..61bb776 100644
--- a/lib/compile/util.js
+++ b/lib/compile/util.js
@@ -81,13 +81,13 @@ function coerceToTypes(optionCoerceTypes, dataTypes) {
     for (var i=0; i<dataTypes.length; i++) {
       var t = dataTypes[i];
       if (COERCE_TO_TYPES[t]) types[types.length] = t;
-	  else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
+      else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
     }
     if (types.length) return types;
   } else if (COERCE_TO_TYPES[dataTypes]) {
     return [dataTypes];
   } else if (optionCoerceTypes === 'array' && dataTypes === 'array') {
-  	return ['array'];
+    return ['array'];
   }
 }