diff --git a/src/pyaro_readers/actrisebas/ActrisEbasReader.py b/src/pyaro_readers/actrisebas/ActrisEbasReader.py
index 4d6205c..c2ad490 100644
--- a/src/pyaro_readers/actrisebas/ActrisEbasReader.py
+++ b/src/pyaro_readers/actrisebas/ActrisEbasReader.py
@@ -413,7 +413,7 @@ def _read(
                             ebas_unit = tmp_data[_data_var].attrs["ebas_unit"]
                             if netcdf_unit != ebas_unit:
                                 logger.error(
-                                    f"var {_data_var} unit mismatch: unit arr: {netcdf_unit}; ebas_unit attr: {ebas_unit} for URL {url}")
+                                    f"var {_data_var} unit mismatch: unit attr: {netcdf_unit}; ebas_unit attr: {ebas_unit} for URL {url}")
 
 
                             # assert f"station {site_name}, file #{f_idx}: found matching standard_name {std_name}"