diff --git a/pgbelt/cmd/setup.py b/pgbelt/cmd/setup.py
index 5a7bfd7c..53dc2966 100644
--- a/pgbelt/cmd/setup.py
+++ b/pgbelt/cmd/setup.py
@@ -41,7 +41,23 @@ async def _setup_src_node(
 
     pglogical_tables = pkey_tables
     if conf.tables:
-        pglogical_tables = [t for t in pkey_tables if t in conf.tables]
+        pglogical_tables = [
+            t
+            for t in pkey_tables
+            if t
+            in list(
+                map(str.lower, conf.tables)
+            )  # Postgres returns table names in lowercase (in analyze_table_pkeys)
+        ]
+
+    # Intentionally throw an error if no tables are found, so that the user can correct their config.
+    # When reported by a certain user, errors showed when running the status command, but it was ignored,
+    # then the user ran setup and since that DIDN'T throw an error, they assumed everything was fine.
+
+    if not pglogical_tables:
+        raise ValueError(
+            f"No tables were targeted to replicate. Please check your config's schema and tables. DB: {conf.db} DC: {conf.dc}, SCHEMA: {conf.schema_name} TABLES: {conf.tables}.\nIf TABLES is [], all tables in the schema should be replicated, but pgbelt still found no tables.\nCheck the schema name or reach out to the pgbelt team for help."
+        )
 
     await configure_replication_set(
         src_root_pool, pglogical_tables, conf.schema_name, src_logger
@@ -145,7 +161,14 @@ async def setup_back_replication(config_future: Awaitable[DbupgradeConfig]) -> N
 
         pglogical_tables = pkeys
         if conf.tables:
-            pglogical_tables = [t for t in pkeys if t in conf.tables]
+            pglogical_tables = [
+                t
+                for t in pkeys
+                if t
+                in list(
+                    map(str.lower, conf.tables)
+                )  # Postgres returns table names in lowercase (in analyze_table_pkeys)
+            ]
 
         await configure_replication_set(
             dst_root_pool, pglogical_tables, conf.schema_name, dst_logger
diff --git a/pgbelt/cmd/status.py b/pgbelt/cmd/status.py
index 1ac8c2a2..1c1e4f1a 100644
--- a/pgbelt/cmd/status.py
+++ b/pgbelt/cmd/status.py
@@ -92,7 +92,14 @@ async def status(conf_future: Awaitable[DbupgradeConfig]) -> dict[str, str]:
     all_tables = pkey_tables + non_pkey_tables
     target_tables = all_tables
     if conf.tables:
-        target_tables = [t for t in all_tables if t in conf.tables]
+        target_tables = [
+            t
+            for t in all_tables
+            if t
+            in list(
+                map(str.lower, conf.tables)
+            )  # Postgres gave us lowercase table names in analyze_table_pkeys
+        ]
 
     if not target_tables:
         raise ValueError(
diff --git a/pgbelt/cmd/sync.py b/pgbelt/cmd/sync.py
index 48eedc4b..e73aff92 100644
--- a/pgbelt/cmd/sync.py
+++ b/pgbelt/cmd/sync.py
@@ -77,7 +77,14 @@ async def dump_tables(
             _, tables, _ = await analyze_table_pkeys(src_pool, conf.schema_name, logger)
 
         if conf.tables:
-            tables = [t for t in tables if t in conf.tables]
+            tables = [
+                t
+                for t in tables
+                if t
+                in list(
+                    map(str.lower, conf.tables)
+                )  # Postgres returns table names in lowercase (in analyze_table_pkeys)
+            ]
 
     await dump_source_tables(conf, tables, logger)
 
@@ -185,7 +192,14 @@ async def _dump_and_load_all_tables(
 ) -> None:
     _, tables, _ = await analyze_table_pkeys(src_pool, conf.schema_name, src_logger)
     if conf.tables:
-        tables = [t for t in tables if t in conf.tables]
+        tables = [
+            t
+            for t in tables
+            if t
+            in list(
+                map(str.lower, conf.tables)
+            )  # Postgres returns table names in lowercase (in analyze_table_pkeys)
+        ]
     await dump_source_tables(conf, tables, src_logger)
     await load_dumped_tables(conf, tables, dst_logger)
 
diff --git a/pgbelt/util/postgres.py b/pgbelt/util/postgres.py
index 079288cc..24ee2da7 100644
--- a/pgbelt/util/postgres.py
+++ b/pgbelt/util/postgres.py
@@ -372,9 +372,22 @@ async def precheck_info(
               AND n.nspname <> 'pglogical'
         ORDER BY 1,2;"""
     )
+
     # We filter the table list if the user has specified a list of tables to target.
+    # Note, from issue #420, the above query will return the table names in lowercase,
+    # so we need to map the target_tables to lowercase.
     if target_tables:
-        result["tables"] = [t for t in result["tables"] if t["Name"] in target_tables]
+
+        result["tables"] = [
+            t
+            for t in result["tables"]
+            if t["Name"] in list(map(str.lower, target_tables))
+        ]
+
+        # We will not recapitalize the table names in the result["tables"] list,
+        # to preserve how Postgres sees those tables in its system catalog. Easy
+        # rabbit hole later if we keep patching the table names to match the user's
+        # input.
 
     result["sequences"] = await pool.fetch(
         """
@@ -392,12 +405,22 @@ async def precheck_info(
         ORDER BY 1,2;"""
     )
 
-    # We filter the sequence list if the user has specified a list of sequences to target.
+    # We filter the table list if the user has specified a list of tables to target.
+    # Note, from issue #420, the above query will return the table names in lowercase,
+    # so we need to map the target_tables to lowercase.
     if target_sequences:
+
         result["sequences"] = [
-            s for s in result["sequences"] if s["Name"] in target_sequences
+            t
+            for t in result["sequences"]
+            if t["Name"] in list(map(str.lower, target_sequences))
         ]
 
+        # We will not recapitalize the table names in the result["tables"] list,
+        # to preserve how Postgres sees those tables in its system catalog. Easy
+        # rabbit hole later if we keep patching the table names to match the user's
+        # input.
+
     users = await pool.fetch(
         f"""
         SELECT r.rolname, r.rolsuper, r.rolinherit,