diff --git a/jstests/update7.js b/jstests/update7.js
new file mode 100644
index 00000000000..7cfc2a3b268
--- /dev/null
+++ b/jstests/update7.js
@@ -0,0 +1,28 @@
+
+t = db.update7;
+t.drop();
+
+function s(){
+    return t.find().sort( { _id : 1 } ).map( function(z){ return z.x; } );
+}
+
+t.save( { _id : 1 , x : 1 } );
+t.save( { _id : 2 , x : 5 } );
+
+assert.eq( "1,5" , s() , "A" );
+
+t.update( {} , { $inc : { x : 1 } } );
+assert.eq( "2,5" , s() , "B" );
+
+t.update( { _id : 1 } , { $inc : { x : 1 } } );
+assert.eq( "3,5" , s() , "C" );
+
+t.update( { _id : 2 } , { $inc : { x : 1 } } );
+assert.eq( "3,6" , s() , "D" );
+
+t.update( {} , { $inc : { x : 1 } } , false , true );
+assert.eq( "4,7" , s() , "E" );
+
+t.update( {} , { $set : { x : 2 } } , false , true );
+assert.eq( "2,2" , s() , "E" );
+
diff --git a/scripting/sm_db.cpp b/scripting/sm_db.cpp
index 526fe2160d2..b6af6bd1413 100644
--- a/scripting/sm_db.cpp
+++ b/scripting/sm_db.cpp
@@ -225,9 +225,10 @@ namespace mongo {
         string ns = c.toString( argv[0] );
 
         bool upsert = argc > 3 && c.toBoolean( argv[3] );
+        bool multi = argc > 4 && c.toBoolean( argv[4] );
 
         try {
-            conn->update( ns , c.toObject( argv[1] ) , c.toObject( argv[2] ) , upsert );
+            conn->update( ns , c.toObject( argv[1] ) , c.toObject( argv[2] ) , upsert , multi );
             return JS_TRUE;
         }
         catch ( ... ){
diff --git a/shell/collection.js b/shell/collection.js
index 3688b6a553d..8ee12f6bb24 100644
--- a/shell/collection.js
+++ b/shell/collection.js
@@ -147,11 +147,11 @@ DBCollection.prototype.remove = function( t ){
     this._mongo.remove( this._fullName , this._massageObject( t ) );
 }
 
-DBCollection.prototype.update = function( query , obj , upsert ){
+DBCollection.prototype.update = function( query , obj , upsert , multi ){
     assert( query , "need a query" );
     assert( obj , "need an object" );
     this._validateObject( obj );
-    this._mongo.update( this._fullName , query , obj , upsert ? true : false );
+    this._mongo.update( this._fullName , query , obj , upsert ? true : false , multi ? true : false );
 }
 
 DBCollection.prototype.save = function( obj ){