diff --git a/lib/model.js b/lib/model.js
index 88c768f..84c3e1c 100644
--- a/lib/model.js
+++ b/lib/model.js
@@ -584,12 +584,15 @@ comparisonFunctions.$exists = function (value, exists) {
   }
 };
 
-arrayComparisonFunctions.$size = function (obj, value) {
+// Specific to arrays
+comparisonFunctions.$size = function (obj, value) {
     if (!util.isArray(obj)) { return false; }
     if (value % 1 !== 0) { throw "$size operator called without an integer"; }
 
     return (obj.length == value);
 };
+arrayComparisonFunctions.$size = true;
+
 
 /**
  * Match any of the subqueries
@@ -672,22 +675,20 @@ function match (obj, query) {
 
 /**
  * Match an object against a specific { key: value } part of a query
+ * if the treatObjAsValue flag is set, don't try to match every part separately, but the array as a whole
  */
-function matchQueryPart (obj, queryKey, queryValue) {
+function matchQueryPart (obj, queryKey, queryValue, treatObjAsValue) {
   var objValue = getDotValue(obj, queryKey)
     , i, keys, firstChars, dollarFirstChars;
 
   // Check if the object value is an array
-  if (util.isArray(objValue)) {
-    // Check if it's a query operator array
+  if (util.isArray(objValue) && !treatObjAsValue) {
+    // Check if we are applying a comparison function to the array itself
     if (queryValue !== null && typeof queryValue === 'object' && !util.isRegExp(queryValue)) {
       keys = Object.keys(queryValue);
-      firstChars = _.map(keys, function (item) { return item[0]; });
-      dollarFirstChars = _.filter(firstChars, function (c) { return c === '$'; });
-
-      if (keys.length == 1 && dollarFirstChars.length > 0 && arrayComparisonFunctions[keys[0]]) {
-        if (!arrayComparisonFunctions[keys[0]](objValue, queryValue[keys[0]])) { return false; }
-        return true;
+      
+      for (i = 0; i < keys.length; i += 1) {
+        if (arrayComparisonFunctions[keys[i]]) { return matchQueryPart(obj, queryKey, queryValue, true); }
       }
     }