diff --git a/FlowIDE.sublime-settings b/FlowIDE.sublime-settings
index 8fb608b..5ca2e2e 100644
--- a/FlowIDE.sublime-settings
+++ b/FlowIDE.sublime-settings
@@ -1,4 +1,5 @@
 {
     "flow_path": "flow",
-    "use_npm_flow": false
+    "use_npm_flow": false,
+    "flow_dec_only": true
 }
diff --git a/flow-ide.py b/flow-ide.py
index 7ac9f93..ffdec6b 100644
--- a/flow-ide.py
+++ b/flow-ide.py
@@ -266,7 +266,8 @@ def on_selection_modified_async(self, view):
 
         if (
             '// @flow' not in deps.contents and
-            '/* @flow */' not in deps.contents
+            '/* @flow */' not in deps.contents and
+             settings.get('flow_dec_only')
         ):
             return view.erase_regions('flow_error')