diff --git a/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAENS.rc.tmpl b/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAENS.rc.tmpl
index fb257db8..f8ee0d28 100644
--- a/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAENS.rc.tmpl
+++ b/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAENS.rc.tmpl
@@ -5,6 +5,7 @@
 #VERSION: 1
 EXPID:  >>>EXPID<<<
 EXPDSC: ensemble_bkg
+Allow_Overwrite: .true.
  
 GRID_LABELS: PC@LHIS_IMx@LHIS_JM-DC
              PC@HHIS_IMx@HHIS_JM-DC
diff --git a/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAGEPS.rc.tmpl b/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAGEPS.rc.tmpl
index 2d72a4da..2bc9db39 100644
--- a/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAGEPS.rc.tmpl
+++ b/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAGEPS.rc.tmpl
@@ -4,6 +4,7 @@
  
 EXPID:  >>>EXPID<<<
 EXPDSC: ensemble_bkg
+Allow_Overwrite: .true.
  
 COLLECTIONS: 'prog.eta'
 # WxMaps and Meteograms
diff --git a/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAOSE.rc.tmpl b/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAOSE.rc.tmpl
index bb42226e..d59c6298 100644
--- a/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAOSE.rc.tmpl
+++ b/src/Applications/NCEP_Etc/NCEP_enkf/scripts/gmao/etc/HISTAOSE.rc.tmpl
@@ -4,6 +4,7 @@
  
 EXPID:  >>>EXPID<<<
 EXPDSC: ensemble_bkg
+Allow_Overwrite: .true.
  
 COLLECTIONS: 'bkg.eta'
 @HRESAENS    'Bkg.eta'