diff --git a/gss/beamformer/beamform.py b/gss/beamformer/beamform.py
index 686b147..37f9914 100644
--- a/gss/beamformer/beamform.py
+++ b/gss/beamformer/beamform.py
@@ -98,7 +98,7 @@ def blind_analytic_normalization(vector, noise_psd_matrix):
         vector,
         optimize=einsum_path,
     )
-    nominator = cp.sqrt(nominator)
+    nominator = cp.sqrt(nominator / vector.shape[-1])
 
     einsum_path = ["einsum_path", (0, 1), (0, 1)]
     denominator = cp.einsum(