diff --git a/lib/ace/keyboard/vim.js b/lib/ace/keyboard/vim.js
index 74bb1dd2..9e6d5bd4 100644
--- a/lib/ace/keyboard/vim.js
+++ b/lib/ace/keyboard/vim.js
@@ -56,7 +56,13 @@ var startCommands = {
     },
     'A': {
         command: coreCommands.appendEnd
-    }
+    },
+    'ctrl-f': {
+        command: "gotopagedown"
+    },
+    'ctrl-b': {
+        command: "gotopageup"
+    },
 };
 
 exports.handler = {