diff --git a/cmd/user/main.go b/cmd/user/main.go
index 427ec37..306b738 100644
--- a/cmd/user/main.go
+++ b/cmd/user/main.go
@@ -14,7 +14,6 @@ import (
 	"golang.org/x/crypto/bcrypt"
 	"mal/internal"
 	"mal/internal/config"
-	"mal/internal/database"
 	"mal/internal/db"
 	"mal/internal/observability"
 	errlog "mal/pkg"
@@ -229,7 +228,7 @@ func updateAvatars(ctx context.Context, dbConn *sql.DB) {
 }
 
 func runFixes(ctx context.Context, dbConn *sql.DB) {
-	if err := database.RunMigrationsAndFixes(dbConn); err != nil {
+	if err := internal.RunMigrationsAndFixes(dbConn); err != nil {
 		observability.Error("cli_run_migrations_and_fixes_failed", "cmd/user", "", nil, err)
 		os.Exit(1)
 	}
diff --git a/internal/avatar.go b/internal/avatar.go
index 205c5e6..13be768 100644
--- a/internal/avatar.go
+++ b/internal/avatar.go
@@ -1,8 +1,12 @@
 package internal
 
 import (
+	"database/sql"
 	"net/url"
 	"strings"
+
+	"mal/internal/database"
+	dbfixes "mal/internal/database/fixes"
 )
 
 func DefaultAvatarURL(username string) string {
@@ -10,3 +14,9 @@ func DefaultAvatarURL(username string) string {
 	params.Set("seed", strings.TrimSpace(username))
 	return "https://api.dicebear.com/9.x/dylan/svg?" + params.Encode()
 }
+
+func RunMigrationsAndFixes(sqlDB *sql.DB) error {
+	return database.RunMigrationsAndFixes(sqlDB, dbfixes.Dependencies{
+		DefaultAvatarURL: DefaultAvatarURL,
+	})
+}
diff --git a/internal/database/database.go b/internal/database/database.go
index 4b95a05..347a947 100644
--- a/internal/database/database.go
+++ b/internal/database/database.go
@@ -6,6 +6,7 @@ import (
 	"embed"
 	"fmt"
 	"mal/internal/config"
+	dbfixes "mal/internal/database/fixes"
 	"mal/internal/db"
 	"mal/internal/observability"
 
@@ -21,7 +22,6 @@ var Module = fx.Options(
 		ProvideSQLDB,
 		ProvideQueries,
 	),
-	fx.Invoke(RunMigrationsAndFixes),
 )
 
 func ProvideSQLDB(cfg config.Config) (*sql.DB, error) {
@@ -58,11 +58,11 @@ func RunMigrations(sqlDB *sql.DB) error {
 
 	return nil
 }
-func RunMigrationsAndFixes(sqlDB *sql.DB) error {
+func RunMigrationsAndFixes(sqlDB *sql.DB, deps dbfixes.Dependencies) error {
 	if err := RunMigrations(sqlDB); err != nil {
 		return fmt.Errorf("run migrations: %w", err)
 	}
-	if err := RunDataFixes(sqlDB); err != nil {
+	if err := RunDataFixes(sqlDB, deps); err != nil {
 		return fmt.Errorf("run data fixes: %w", err)
 	}
 	return nil
diff --git a/internal/database/fixes.go b/internal/database/fixes.go
index f261b2e..13e0ab0 100644
--- a/internal/database/fixes.go
+++ b/internal/database/fixes.go
@@ -11,7 +11,7 @@ import (
 	errlog "mal/pkg"
 )
 
-func RunDataFixes(sqlDB *sql.DB) error {
+func RunDataFixes(sqlDB *sql.DB, deps dbfixes.Dependencies) error {
 	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
 	defer cancel()
 
@@ -43,7 +43,7 @@ func RunDataFixes(sqlDB *sql.DB) error {
 				"id": fix.ID,
 			},
 		)
-		if err := fix.Apply(ctx, sqlDB); err != nil {
+		if err := fix.Apply(ctx, sqlDB, deps); err != nil {
 			return fmt.Errorf("data fix %s failed: %w", fix.ID, err)
 		}
 		if err := markFixApplied(ctx, sqlDB, fix.ID); err != nil {
diff --git a/internal/database/fixes/20260526_episode_availability_backfill_next_refresh_at.go b/internal/database/fixes/20260526_episode_availability_backfill_next_refresh_at.go
index 79aca34..8a39d77 100644
--- a/internal/database/fixes/20260526_episode_availability_backfill_next_refresh_at.go
+++ b/internal/database/fixes/20260526_episode_availability_backfill_next_refresh_at.go
@@ -9,7 +9,7 @@ import (
 func init() {
 	Register(Fix{
 		ID: "20260526_episode_availability_backfill_next_refresh_at",
-		Apply: func(ctx context.Context, sqlDB *sql.DB) error {
+		Apply: func(ctx context.Context, sqlDB *sql.DB, _ Dependencies) error {
 			// Old caches could have next_refresh_at NULL (especially for airing shows with missing broadcast metadata),
 			// which can result in "never refresh again" behavior on the server.
 			_, err := sqlDB.ExecContext(ctx, `
diff --git a/internal/database/fixes/20260528_backfill_avatar_url.go b/internal/database/fixes/20260528_backfill_avatar_url.go
index 260bc83..4759e7f 100644
--- a/internal/database/fixes/20260528_backfill_avatar_url.go
+++ b/internal/database/fixes/20260528_backfill_avatar_url.go
@@ -4,14 +4,17 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
-	"mal/internal"
 	errlog "mal/pkg"
 )
 
 func init() {
 	Register(Fix{
 		ID: "20260528_backfill_avatar_url",
-		Apply: func(ctx context.Context, sqlDB *sql.DB) error {
+		Apply: func(ctx context.Context, sqlDB *sql.DB, deps Dependencies) error {
+			if deps.DefaultAvatarURL == nil {
+				return fmt.Errorf("default avatar URL dependency is required")
+			}
+
 			rows, err := sqlDB.QueryContext(ctx, `SELECT id, username FROM user WHERE avatar_url = ''`)
 			if err != nil {
 				return fmt.Errorf("query users missing avatar_url: %w", err)
@@ -35,7 +38,7 @@ func init() {
 			}
 
 			for _, u := range toUpdate {
-				avatarURL := internal.DefaultAvatarURL(u.username)
+				avatarURL := deps.DefaultAvatarURL(u.username)
 				if _, err := sqlDB.ExecContext(ctx, `UPDATE user SET avatar_url = ? WHERE id = ?`, avatarURL, u.id); err != nil {
 					return fmt.Errorf("update avatar_url for user %s: %w", u.id, err)
 				}
diff --git a/internal/database/fixes/20260608_backfill_anime_duration_seconds.go b/internal/database/fixes/20260608_backfill_anime_duration_seconds.go
index c3dd285..88ab1ee 100644
--- a/internal/database/fixes/20260608_backfill_anime_duration_seconds.go
+++ b/internal/database/fixes/20260608_backfill_anime_duration_seconds.go
@@ -18,8 +18,10 @@ type animeDurationRow struct {
 
 func init() {
 	Register(Fix{
-		ID:    "20260608_backfill_anime_duration_seconds",
-		Apply: applyAnimeDurationSecondsBackfill,
+		ID: "20260608_backfill_anime_duration_seconds",
+		Apply: func(ctx context.Context, sqlDB *sql.DB, _ Dependencies) error {
+			return applyAnimeDurationSecondsBackfill(ctx, sqlDB)
+		},
 	})
 }
 
diff --git a/internal/database/fixes/registry.go b/internal/database/fixes/registry.go
index ceeca05..b0f0d38 100644
--- a/internal/database/fixes/registry.go
+++ b/internal/database/fixes/registry.go
@@ -9,7 +9,11 @@ import (
 
 type Fix struct {
 	ID    string
-	Apply func(ctx context.Context, sqlDB *sql.DB) error
+	Apply func(ctx context.Context, sqlDB *sql.DB, deps Dependencies) error
+}
+
+type Dependencies struct {
+	DefaultAvatarURL func(username string) string
 }
 
 var registered []Fix