diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b87b141e..3462290d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
   - Improve the SSH "ready?" check. [GH-841]
   - Human friendly error if connection times out for HTTP downloads. [GH-849]
   - Detect when the VirtualBox installation is incomplete and error. [GH-846]
+  - Use `LogLevel QUIET` for SSH to suppress the known hosts warning. [GH-847]
 
 ## 1.0.2 (March 25, 2012)
 
diff --git a/lib/vagrant/ssh.rb b/lib/vagrant/ssh.rb
index 59cace321..03dfefe4f 100644
--- a/lib/vagrant/ssh.rb
+++ b/lib/vagrant/ssh.rb
@@ -76,7 +76,7 @@ module Vagrant
 
       # Command line options
       command_options = ["-p", options[:port].to_s, "-o", "UserKnownHostsFile=/dev/null",
-                         "-o", "StrictHostKeyChecking=no", "-o", "LogLevel=ERROR"]
+                         "-o", "StrictHostKeyChecking=no", "-o", "LogLevel=QUIET"]
 
       # Solaris/OpenSolaris/Illumos uses SunSSH which doesn't support the IdentitiesOnly option
       command_options += ["-o", "IdentitiesOnly=yes"] if !Util::Platform.solaris?
diff --git a/templates/commands/ssh_config/config.erb b/templates/commands/ssh_config/config.erb
index 0b39fe412..16cf0ed54 100644
--- a/templates/commands/ssh_config/config.erb
+++ b/templates/commands/ssh_config/config.erb
@@ -7,6 +7,7 @@ Host <%= host_key %>
   PasswordAuthentication no
   IdentityFile <%= private_key_path %>
   IdentitiesOnly yes
+  LogLevel QUIET
 <% if forward_agent -%>
   ForwardAgent yes
 <% end -%>