diff --git a/datasette/views/table.py b/datasette/views/table.py
index 9e9be31a..6562bdaa 100644
--- a/datasette/views/table.py
+++ b/datasette/views/table.py
@@ -305,7 +305,7 @@ class TableView(RowTableShared):
         where_clauses, params = filters.build_where_clauses()
 
         # Hacky thing for ?_m2m_ad_targets__target_id=9a8c6
-        for m2m_key in special_args:
+        for m2m_key in request.args:
             if m2m_key.startswith("_m2m_"):
                 rest = m2m_key.split("_m2m_", 1)[1]
                 m2m_table, other_column = rest.split("__", 1)
@@ -317,16 +317,17 @@ class TableView(RowTableShared):
                 #     if fk["other_table"] != table
                 #     and fk["other_column"] == other_column
                 # ][0]
-                value = special_args[m2m_key]
-                # Figure out what the columns are in that m2m table
-                where_clauses.append(
-                    '{our_pk} in (select {our_pk} from {m2m_table} where {other_column} = "{value}")'.format(
-                        m2m_table=escape_sqlite(m2m_table),
-                        our_pk=fk_to_us["other_column"],
-                        other_column=escape_sqlite(other_column),
-                        value=value,
+                for value in request.args[m2m_key]:
+                    # Figure out what the columns are in that m2m table
+                    where_clauses.append(
+                        '{our_pk} in (select {our_column} from {m2m_table} where {other_column} = "{value}")'.format(
+                            m2m_table=escape_sqlite(m2m_table),
+                            our_pk=fk_to_us["other_column"],
+                            our_column=fk_to_us["column"],
+                            other_column=escape_sqlite(other_column),
+                            value=value,
+                        )
                     )
-                )
 
         # _search support:
         fts_table = info[name]["tables"].get(table, {}).get("fts_table")