diff --git a/weis/aeroelasticse/openmdao_openfast.py b/weis/aeroelasticse/openmdao_openfast.py
index 2e4f7faad..f3aab3a9d 100644
--- a/weis/aeroelasticse/openmdao_openfast.py
+++ b/weis/aeroelasticse/openmdao_openfast.py
@@ -856,6 +856,8 @@ def load_FAST_model_opts(self,fst_vt,modeling_options={}):
             fst_vt['AeroDyn15']['OLAF'] = {}
         if fst_vt['ElastoDyn']['DT'] == 0.:
             fst_vt['ElastoDyn']['DT'] = 'Default'
+        if fst_vt['Fst']['DT_Out'] == 0.:
+            fst_vt['Fst']['DT_Out'] = 'Default'
 
         return fst_vt
 
diff --git a/weis/inputs/modeling_schema.yaml b/weis/inputs/modeling_schema.yaml
index 47e2c0cb7..92fc6e8c4 100644
--- a/weis/inputs/modeling_schema.yaml
+++ b/weis/inputs/modeling_schema.yaml
@@ -360,8 +360,8 @@ properties:
                         units: s
                         description: Amount of time between creating checkpoint files for potential restart (s)
                     DT_Out:
-                        type: string
-                        default: default
+                        type: number
+                        default: 0
                         description: Time step for tabular output (s) (or 'default')
                     OutFileFmt:
                         type: integer