diff --git a/README.md b/README.md
index 956e2a82..396d6bbb 100644
--- a/README.md
+++ b/README.md
@@ -1365,6 +1365,7 @@ Next time you need this list just use an alias, like this:
         - `dnf_filter`: [string|list(string)='_none'] Name of the filter to mark components as not fitted.
                         A short-cut to use for simple cases where a variant is an overkill.
                         Internal variants and filters are currently ignored.
+                        Exception: a KiCost variant that uses `variant` as variant field.
         - `fields`: [string|list(string)] List of fields to be added to the global data section.
         - `group_fields`: [string|list(string)] List of fields that can be different for a group.
                           Parts with differences in these fields are grouped together, but displayed individually.
@@ -1383,6 +1384,7 @@ Next time you need this list just use an alias, like this:
             - `name`: [string=''] New name.
         - `variant`: [string=''] Board variant to apply.
                      Internal variants and filters are currently ignored.
+                     Exception: a KiCost variant that uses `variant` as variant field.
     - `output_id`: [string=''] Text to use for the %I expansion content. To differentiate variations of this output.
     - `run_by_default`: [boolean=true] When enabled this output will be created when no specific outputs are requested.
 
diff --git a/docs/samples/generic_plot.kibot.yaml b/docs/samples/generic_plot.kibot.yaml
index e956927e..d29dd5b5 100644
--- a/docs/samples/generic_plot.kibot.yaml
+++ b/docs/samples/generic_plot.kibot.yaml
@@ -814,7 +814,8 @@ outputs:
       distributors:
       # [string|list(string)='_none'] Name of the filter to mark components as not fitted.
       # A short-cut to use for simple cases where a variant is an overkill.
-      # Internal variants and filters are currently ignored
+      # Internal variants and filters are currently ignored.
+      # Exception: a KiCost variant that uses `variant` as variant field
       dnf_filter: '_none'
       # [string|list(string)] List of fields to be added to the global data section
       fields:
@@ -846,7 +847,8 @@ outputs:
           # [string=''] New name
           name: 'manf#'
       # [string=''] Board variant to apply.
-      # Internal variants and filters are currently ignored
+      # Internal variants and filters are currently ignored.
+      # Exception: a KiCost variant that uses `variant` as variant field
       variant: ''
 
   # PcbDraw - Beautiful 2D PCB render:
diff --git a/kibot/out_kicost.py b/kibot/out_kicost.py
index 3f7f6be6..bab5775b 100644
--- a/kibot/out_kicost.py
+++ b/kibot/out_kicost.py
@@ -8,6 +8,7 @@ from subprocess import check_output, STDOUT, CalledProcessError
 from .misc import CMD_KICOST, URL_KICOST, BOM_ERROR, DISTRIBUTORS, W_UNKDIST, ISO_CURRENCIES, W_UNKCUR, KICOST_SUBMODULE
 from .error import KiPlotConfigurationError
 from .optionable import Optionable
+from .registrable import RegOutput
 from .gs import GS
 from .kiplot import check_script
 from .out_base import VariantOptions
@@ -16,7 +17,8 @@ from .fil_base import FieldRename
 from . import log
 
 logger = log.get_logger()
-WARNING_MIX = "Internal variants and filters are currently ignored"
+WARNING_MIX = ("Internal variants and filters are currently ignored.\n"
+               "Exception: a KiCost variant that uses `variant` as variant field")
 
 
 class Aggregate(Optionable):
@@ -98,6 +100,11 @@ class KiCostOptions(VariantOptions):
         return val
 
     def config(self, parent):
+        # If we are using a KiCost variant make it the default for `kicost_variant`
+        variant = RegOutput.check_variant(self.variant)
+        if variant is not None and variant.type == 'kicost' and variant.variant_field == 'variant':
+            logger.error('variant: '+str(variant.__dict__))
+            self.kicost_variant = variant.variant
         super().config(parent)
         if not self.output:
             self.output = '%f.%x'