diff --git a/salt/common/tools/sbin/so-status b/salt/common/tools/sbin/so-status
index 8b8dcb6ba..f604f892d 100755
--- a/salt/common/tools/sbin/so-status
+++ b/salt/common/tools/sbin/so-status
@@ -41,8 +41,12 @@ def fail(msg):
 
 
 def check_installation_status(options, console):
-  if "-i" in options and os.path.isfile('/root/failure'):
-    return 100
+  if "-i" in options:
+    if os.path.isfile('/root/failure'):
+      return 100
+    if os.path.isfile('/root/success'):
+      return 0
+    return 99
   return 0