diff --git a/pkg/datastore/migrations/mysql/1_initial_tables.sql b/pkg/datastore/migrations/mysql/1_initial_tables.sql
index 60dae60..3515058 100644
--- a/pkg/datastore/migrations/mysql/1_initial_tables.sql
+++ b/pkg/datastore/migrations/mysql/1_initial_tables.sql
@@ -51,7 +51,7 @@ CREATE TABLE daily_referrer_stats(
 
 CREATE UNIQUE INDEX unique_user_email ON users(email);
 CREATE UNIQUE INDEX unique_daily_site_stats ON daily_site_stats(date);
-CREATE UNIQUE INDEX unique_daily_page_stats ON daily_page_stats(pathname, date);
+CREATE UNIQUE INDEX unique_daily_page_stats ON daily_page_stats(hostname, pathname, date);
 CREATE UNIQUE INDEX unique_daily_referrer_stats ON daily_referrer_stats(url, date);
 
 -- +migrate Down
diff --git a/pkg/datastore/migrations/postgres/1_initial_tables.sql b/pkg/datastore/migrations/postgres/1_initial_tables.sql
index 042c7c5..865f911 100644
--- a/pkg/datastore/migrations/postgres/1_initial_tables.sql
+++ b/pkg/datastore/migrations/postgres/1_initial_tables.sql
@@ -51,7 +51,7 @@ CREATE TABLE daily_referrer_stats(
 
 CREATE UNIQUE INDEX unique_user_email ON users(email);
 CREATE UNIQUE INDEX unique_daily_site_stats ON daily_site_stats(date);
-CREATE UNIQUE INDEX unique_daily_page_stats ON daily_page_stats(pathname, date);
+CREATE UNIQUE INDEX unique_daily_page_stats ON daily_page_stats(hostname, pathname, date);
 CREATE UNIQUE INDEX unique_daily_referrer_stats ON daily_referrer_stats(url, date);
 
 -- +migrate Down
diff --git a/pkg/datastore/migrations/sqlite3/1_initial_tables.sql b/pkg/datastore/migrations/sqlite3/1_initial_tables.sql
index fe9e8a5..9df5e19 100644
--- a/pkg/datastore/migrations/sqlite3/1_initial_tables.sql
+++ b/pkg/datastore/migrations/sqlite3/1_initial_tables.sql
@@ -51,7 +51,7 @@ CREATE TABLE daily_referrer_stats(
 
 CREATE UNIQUE INDEX unique_user_email ON users(email);
 CREATE UNIQUE INDEX unique_daily_site_stats ON daily_site_stats(date);
-CREATE UNIQUE INDEX unique_daily_page_stats ON daily_page_stats(pathname, date);
+CREATE UNIQUE INDEX unique_daily_page_stats ON daily_page_stats(hostname, pathname, date);
 CREATE UNIQUE INDEX unique_daily_referrer_stats ON daily_referrer_stats(url, date);
 
 -- +migrate Down