diff --git a/internal/cache/cache.go b/internal/cache/cache.go
index 5554445b2..68a31f11e 100644
--- a/internal/cache/cache.go
+++ b/internal/cache/cache.go
@@ -47,6 +47,11 @@ type Caches struct {
 	// Webfinger provides access to the webfinger URL cache.
 	Webfinger *ttl.Cache[string, string] // TTL=24hr, sweep=5min
 
+	// TTL cache of statuses -> filterable text fields.
+	// To ensure up-to-date fields, cache is keyed as:
+	// `[status.ID][status.UpdatedAt.Unix()]`
+	StatusesFilterableFields *ttl.Cache[string, []string]
+
 	// prevent pass-by-value.
 	_ nocopy
 }
@@ -109,6 +114,7 @@ func (c *Caches) Init() {
 	c.initUserMuteIDs()
 	c.initWebfinger()
 	c.initVisibility()
+	c.initStatusesFilterableFields()
 }
 
 // Start will start any caches that require a background
@@ -204,3 +210,12 @@ func (c *Caches) initWebfinger() {
 		24*time.Hour,
 	)
 }
+
+func (c *Caches) initStatusesFilterableFields() {
+	c.Webfinger = new(ttl.Cache[string, string])
+	c.Webfinger.Init(
+		0,
+		512,
+		1*time.Hour,
+	)
+}
diff --git a/internal/typeutils/converter.go b/internal/typeutils/converter.go
index 97d661a5d..311839dc0 100644
--- a/internal/typeutils/converter.go
+++ b/internal/typeutils/converter.go
@@ -19,12 +19,9 @@ package typeutils
 
 import (
 	"sync"
-	"time"
 
-	"codeberg.org/gruf/go-cache/v3"
 	"github.com/superseriousbusiness/gotosocial/internal/filter/interaction"
 	"github.com/superseriousbusiness/gotosocial/internal/filter/visibility"
-	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/superseriousbusiness/gotosocial/internal/state"
 )
 
@@ -34,25 +31,13 @@ type Converter struct {
 	randAvatars    sync.Map
 	visFilter      *visibility.Filter
 	intFilter      *interaction.Filter
-
-	// TTL cache of statuses -> filterable text fields.
-	// To ensure up-to-date fields, cache is keyed as:
-	// [status.ID][status.UpdatedAt.Unix()]`
-	statusesFilterableFields cache.TTLCache[string, []string]
 }
 
 func NewConverter(state *state.State) *Converter {
-	statusHashesToFilterableText := cache.NewTTL[string, []string](0, 512, 0)
-	statusHashesToFilterableText.SetTTL(time.Hour, true)
-	if !statusHashesToFilterableText.Start(time.Minute) {
-		log.Panic(nil, "failed to start statusHashesToFilterableText cache")
-	}
-
 	return &Converter{
-		state:                    state,
-		defaultAvatars:           populateDefaultAvatars(),
-		visFilter:                visibility.NewFilter(state),
-		intFilter:                interaction.NewFilter(state),
-		statusesFilterableFields: statusHashesToFilterableText,
+		state:          state,
+		defaultAvatars: populateDefaultAvatars(),
+		visFilter:      visibility.NewFilter(state),
+		intFilter:      interaction.NewFilter(state),
 	}
 }
diff --git a/internal/typeutils/internaltofrontend.go b/internal/typeutils/internaltofrontend.go
index 58797e790..fe49766fa 100644
--- a/internal/typeutils/internaltofrontend.go
+++ b/internal/typeutils/internaltofrontend.go
@@ -22,6 +22,7 @@ import (
 	"errors"
 	"fmt"
 	"slices"
+	"strconv"
 	"strings"
 	"time"
 
@@ -941,15 +942,16 @@ func (c *Converter) statusToAPIFilterResults(
 
 	// Key this status based on ID + last updated time,
 	// to ensure we always filter on latest version.
-	statusKey := fmt.Sprintf("%s%d", s.ID, s.UpdatedAt.Unix())
+	statusKey := s.ID + strconv.FormatInt(s.UpdatedAt.Unix(), 10)
 
 	// Check if we have filterable fields cached for this status.
-	fields, stored := c.statusesFilterableFields.Get(statusKey)
+	cache := c.state.Caches.StatusesFilterableFields
+	fields, stored := cache.Get(statusKey)
 	if !stored {
 		// We don't have filterable fields
 		// cached, calculate + cache now.
 		fields = filterableFields(s)
-		c.statusesFilterableFields.Set(statusKey, fields)
+		cache.Set(statusKey, fields)
 	}
 
 	// Record all matching warn filters and the reasons they matched.