diff --git a/src/pyrovelocity/analysis/analyze.py b/src/pyrovelocity/analysis/analyze.py
index e0ae1657f..524345923 100644
--- a/src/pyrovelocity/analysis/analyze.py
+++ b/src/pyrovelocity/analysis/analyze.py
@@ -337,6 +337,7 @@ def top_mae_genes(
     mae_top_percentile: int | float = 10.0,
     min_genes_per_bin: int = 2,
     max_genes_per_bin: Optional[int] = None,
+    gene_name_filter: str = "^Act|^Rpl|^Rps",
 ) -> List[str]:
     """
     Identify top genes based on Mean Absolute Error (MAE) percentile, excluding ribosomal genes,
@@ -361,7 +362,7 @@ def top_mae_genes(
         )
 
     filtered_data = volcano_data[
-        ~volcano_data.index.str.contains(("^Rpl|^Rps"), case=False)
+        ~volcano_data.index.str.contains(("^Act|^Rpl|^Rps"), case=False)
     ]
 
     filtered_data["time_corr_bin"] = pd.cut(