diff --git a/CHANGELOG.md b/CHANGELOG.md
index 915f0709b..7fcee2054 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ IMPROVEMENTS:
     a warning. [GH-1620]
   - Better locking around handling the `box_url` parameter for
     parallel providers.
+  - Solaris guest is now properly detected on SmartOS, OmniOS, etc. [GH-1639]
 
 BUG FIXES:
 
diff --git a/plugins/guests/solaris/guest.rb b/plugins/guests/solaris/guest.rb
index 555ef23e7..e0eab6709 100644
--- a/plugins/guests/solaris/guest.rb
+++ b/plugins/guests/solaris/guest.rb
@@ -7,7 +7,7 @@ module VagrantPlugins
     # Contributed by Blake Irvin <b.irvin@modcloth.com>
     class Guest < Vagrant.plugin("2", :guest)
       def detect?(machine)
-        machine.communicate.test("uname -o|grep Solaris")
+        machine.communicate.test("uname -o | grep Solaris")
       end
     end
   end