diff --git a/modelconverter/__main__.py b/modelconverter/__main__.py
index b416023..6c19919 100644
--- a/modelconverter/__main__.py
+++ b/modelconverter/__main__.py
@@ -215,7 +215,7 @@ def extract_preprocessing(
         encoding = inp.encoding
         layout = inp.layout
 
-        dai_type = encoding.from_.value
+        dai_type = encoding.to.value
         if dai_type != "NONE":
             if inp.data_type == DataType.FLOAT16:
                 type = "F16F16F16"
@@ -227,7 +227,7 @@ def extract_preprocessing(
         preproc_block = PreprocessingBlock(
             mean=mean,
             scale=scale,
-            reverse_channels=encoding.from_ != encoding.to,
+            reverse_channels=encoding.to == Encoding.RGB,
             interleaved_to_planar=layout == "NHWC",
             dai_type=dai_type,
         )
diff --git a/modelconverter/utils/nn_archive.py b/modelconverter/utils/nn_archive.py
index 8a85161..19812f3 100644
--- a/modelconverter/utils/nn_archive.py
+++ b/modelconverter/utils/nn_archive.py
@@ -18,7 +18,7 @@
 from modelconverter.utils.constants import MISC_DIR
 from modelconverter.utils.layout import guess_new_layout, make_default_layout
 from modelconverter.utils.metadata import get_metadata
-from modelconverter.utils.types import DataType
+from modelconverter.utils.types import DataType, Encoding
 
 logger = logging.getLogger(__name__)
 
@@ -235,7 +235,7 @@ def modelconverter_config_to_nn(
                         if inp.scale_values
                         else None
                     ),
-                    "reverse_channels": inp.encoding.from_ != inp.encoding.to,
+                    "reverse_channels": inp.encoding.to == Encoding.RGB,
                     "interleaved_to_planar": layout == "NHWC",
                     "dai_type": dai_type,
                 },