diff --git a/MANIFEST.in b/MANIFEST.in
index 951acb34..4ba90a11 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -33,7 +33,7 @@ include premise/data/metals/*.yaml
 include premise/data/metals/*.txt
 include premise/data/metals/*.csv
 include premise/data/metals/*.xlsx
-include premise/data/metals/post-allocation correction/*.yaml
+include premise/data/metals/post-allocation_correction/*.yaml
 include premise/data/transport/*.yaml
 include premise/data/transport/*.csv
 include premise/data/transport/bus/*.csv
diff --git a/premise/data/metals/post-allocation correction/corrections.yaml b/premise/data/metals/post-allocation_correction/corrections.yaml
similarity index 100%
rename from premise/data/metals/post-allocation correction/corrections.yaml
rename to premise/data/metals/post-allocation_correction/corrections.yaml
diff --git a/premise/metals.py b/premise/metals.py
index dfe67e42..58a96f97 100644
--- a/premise/metals.py
+++ b/premise/metals.py
@@ -190,11 +190,11 @@ def get_ecoinvent_metal_factors():
 
 def load_post_allocation_correction_factors():
     """
-    Load yaml file with post-allocation correction factors
+    Load yaml file with post-allocation_correction factors
 
     """
 
-    filepath = DATA_DIR / "metals" / "post-allocation correction" / "corrections.yaml"
+    filepath = DATA_DIR / "metals" / "post-allocation_correction" / "corrections.yaml"
     with open(filepath, "r", encoding="utf-8") as stream:
         factors = yaml.safe_load(stream)
     return factors