diff --git a/src/aliby/pipeline.py b/src/aliby/pipeline.py
index 3a3eef804aebfe7fc039106a664e8468a1deb11d..f084825e8af73a95f217423dedb929db023d5e6b 100644
--- a/src/aliby/pipeline.py
+++ b/src/aliby/pipeline.py
@@ -25,8 +25,11 @@ from aliby.haystack import initialise_tf
 from aliby.io.dataset import dispatch_dataset
 from aliby.io.image import dispatch_image
 from aliby.tile.tiler import Tiler, TilerParameters
-from extraction.core.extractor import Extractor, ExtractorParameters
-from extraction.core.functions.defaults import exparams_from_meta
+from extraction.core.extractor import (
+    Extractor,
+    ExtractorParameters,
+    extraction_params_from_meta,
+)
 from postprocessor.core.postprocessing import (
     PostProcessor,
     PostProcessorParameters,
@@ -152,7 +155,7 @@ class PipelineParameters(ParametersABC):
         # default BABY parameters
         defaults["baby"] = BabyParameters.default(**baby).to_dict()
         # default Extraction parmeters
-        defaults["extraction"] = exparams_from_meta(meta_d)
+        defaults["extraction"] = extraction_params_from_meta(meta_d)
         # default PostProcessing parameters
         defaults["postprocessing"] = PostProcessorParameters.default(
             **postprocessing
diff --git a/src/extraction/core/extractor.py b/src/extraction/core/extractor.py
index 95ba13c6191b8951c0c60c5a06f674702757fe9c..61fb89a906c5b42260ac18e78c41b1447b06eea0 100644
--- a/src/extraction/core/extractor.py
+++ b/src/extraction/core/extractor.py
@@ -69,7 +69,7 @@ class ExtractorParameters(ParametersABC):
     @classmethod
     def from_meta(cls, meta):
         """Instantiate using meta data."""
-        return cls(**exparams_from_meta(meta))
+        return cls(**extraction_params_from_meta(meta))
 
 
 class Extractor(StepABC):