diff --git a/spectral/spectral-offset-parameters.js b/spectral/spectral-offset-parameters.js
index bafd485..5833b63 100644
--- a/spectral/spectral-offset-parameters.js
+++ b/spectral/spectral-offset-parameters.js
@@ -4044,6 +4044,9 @@ var offsetParams = {
     'JRC/GFC2020/V1': {
         'Map': 0.0
     },
+    'JRC/GFC2020_subtypes/V0': {
+        'GFT': 0.0
+    },
     'JRC/GHSL/P2016/BUILT_LDSMT_GLOBE_V1': {
         'built': 0.0,
         'cnfd': 0.0,
diff --git a/spectral/spectral-scale-parameters.js b/spectral/spectral-scale-parameters.js
index 1c6e3bd..a1e5399 100644
--- a/spectral/spectral-scale-parameters.js
+++ b/spectral/spectral-scale-parameters.js
@@ -4044,6 +4044,9 @@ var scaleParams = {
     'JRC/GFC2020/V1': {
         'Map': 1.0
     },
+    'JRC/GFC2020_subtypes/V0': {
+        'GFT': 1.0
+    },
     'JRC/GHSL/P2016/BUILT_LDSMT_GLOBE_V1': {
         'built': 1.0,
         'cnfd': 1.0,