diff --git a/vega/build_config.py b/vega/build_config.py
index 4da7f25..ec9ae6c 100644
--- a/vega/build_config.py
+++ b/vega/build_config.py
@@ -217,6 +217,8 @@ def _build_corr_config(self, name, corr_info, git_hash):
             config['data']['distortion-file'] = corr_info.get('distortion-file')
         if 'covariance-file' in corr_info:
             config['data']['covariance-file'] = corr_info.get('covariance-file')
+        if 'cov_rescale' in corr_info:
+            config['data']['cov_rescale'] = corr_info.get('cov_rescale')
 
         config['cuts']['r-min'] = str(corr_info.get('r-min', 10))
         config['cuts']['r-max'] = str(corr_info.get('r-max', 180))