diff --git a/appview/database/migrations.go b/appview/database/migrations.go
index 9c8599a..a0a9065 100644
--- a/appview/database/migrations.go
+++ b/appview/database/migrations.go
@@ -2,11 +2,46 @@ package database
 
 import (
 	"fmt"
+	"log/slog"
 
 	"gorm.io/gorm"
 )
 
+// fixColumnNames renames misnamed columns created by GORM's default snake_case
+// conversion of acronym field names (e.g. DID → d_id instead of did).
+// Safe to run repeatedly — skips tables/columns that don't need fixing.
+func fixColumnNames(db *gorm.DB) {
+	renames := []struct {
+		table, from, to string
+	}{
+		{"subscriptions", "d_id", "did"},
+		{"comments", "d_id", "did"},
+		{"comments", "a_t_u_r_i", "at_uri"},
+		{"recommendations", "d_id", "did"},
+		{"podcast_lists", "d_id", "did"},
+		{"bookmarks", "d_id", "did"},
+		{"profiles", "d_id", "did"},
+		{"episode_states", "d_id", "did"},
+		{"blocks", "d_id", "did"},
+		{"blocks", "a_t_u_r_i", "at_uri"},
+		{"blocks", "subject_d_i_d", "subject_did"},
+		{"reports", "d_id", "did"},
+	}
+
+	for _, r := range renames {
+		if db.Migrator().HasColumn(r.table, r.from) {
+			if err := db.Exec(fmt.Sprintf(`ALTER TABLE %q RENAME COLUMN %q TO %q`, r.table, r.from, r.to)).Error; err != nil {
+				slog.Warn("column rename failed (may already be correct)", "table", r.table, "from", r.from, "to", r.to, "err", err)
+			} else {
+				slog.Info("renamed column", "table", r.table, "from", r.from, "to", r.to)
+			}
+		}
+	}
+}
+
 func AutoMigrateAll(db *gorm.DB) error {
+	fixColumnNames(db)
+
 	if err := db.AutoMigrate(
 		&FirehoseCursor{},
 		&Subscription{},