diff --git a/src/covid-19/covid_19_utils/covid_19_utils/converters/__init__.py b/src/covid-19/covid_19_utils/covid_19_utils/converters/__init__.py
index c2f957b37b141f66c038f3705f007d1025c9e647..c39827e7b25fb5dece4ed062c67b68ce327360fb 100644
--- a/src/covid-19/covid_19_utils/covid_19_utils/converters/__init__.py
+++ b/src/covid-19/covid_19_utils/covid_19_utils/converters/__init__.py
@@ -83,8 +83,8 @@ class CaseConverterImpl:
     def _set_common_columns(self, df):
         """Use only the common columns; add missing ones when needed."""
         try:
-            # Int32 (as opposed to int32) is an intger type that allows nan
-            df["population"] = df.population.astype("Int32")
+            # TODO: Int32 (as opposed to int) is an intger type that allows nan
+            df["population"] = df.population.astype(int)
         except ValueError:
             pass