diff --git a/src/monger/collection.clj b/src/monger/collection.clj
index c085887..8dabfcf 100644
--- a/src/monger/collection.clj
+++ b/src/monger/collection.clj
@@ -68,9 +68,12 @@
 
 ;; monger.collection/count
 (defn ^long count
-  [^String collection]
-  (let [^DBCollection coll (.getCollection monger.core/*mongodb-database* collection)]
-    (.count coll)))
+  ([^String collection]
+     (let [^DBCollection coll (.getCollection monger.core/*mongodb-database* collection)]
+       (.count coll)))
+  ([^String collection, ^Map conditions]
+     (let [^DBCollection coll (.getCollection monger.core/*mongodb-database* collection)]
+       (.count coll (to-db-object conditions)))))
 
 ;; monger.collection/update
 ;; monger.collection/update-multi
diff --git a/test/monger/test/collection.clj b/test/monger/test/collection.clj
index af8e66b..0e32620 100644
--- a/test/monger/test/collection.clj
+++ b/test/monger/test/collection.clj
@@ -58,7 +58,18 @@
 ;;
 
 (deftest get-collection-size
-  (is 0 (monger.collection/count "things")))
+  (let [collection "things"]
+    (monger.collection/remove collection)
+    (is (= 0 (monger.collection/count collection)))
+    (monger.collection/insert collection { :language "Clojure", :name "monger" })
+    (monger.collection/insert collection { :language "Clojure", :name "langohr" })
+    (monger.collection/insert collection { :language "Clojure", :name "incanter" })
+    (monger.collection/insert collection { :language "Scala",   :name "akka" })
+    (is (= 4 (monger.collection/count collection)))
+    (is (= 3 (monger.collection/count collection { :language "Clojure" })))
+    (is (= 1 (monger.collection/count collection { :language "Scala"   })))
+    (is (= 0 (monger.collection/count collection { :language "Python"  })))))
+
 
 (deftest remove-all-documents-from-collection
   (let [collection "libraries"]