diff --git a/bots/discord/src/commands/moderation/mute.ts b/bots/discord/src/commands/moderation/mute.ts
index 1032a21..7474904 100644
--- a/bots/discord/src/commands/moderation/mute.ts
+++ b/bots/discord/src/commands/moderation/mute.ts
@@ -3,7 +3,7 @@ import CommandError, { CommandErrorType } from '$/classes/CommandError'
 import { createModerationActionEmbed } from '$/utils/discord/embeds'
 import { sendModerationReplyAndLogs } from '$/utils/discord/moderation'
 import { applyRolePreset, removeRolePreset } from '$/utils/discord/rolePresets'
-import { parseDuration } from '$/utils/duration'
+import { isSafeTimeoutDuration, parseDuration } from '$/utils/duration'
 
 export default new ModerationCommand({
     name: 'mute',
@@ -63,7 +63,7 @@ export default new ModerationCommand({
             createModerationActionEmbed('Muted', user, executor.user, reason, Math.ceil(expires / 1000)),
         )
 
-        if (Number.isSafeInteger(expires))
+        if (isSafeTimeoutDuration(duration))
             setTimeout(() => {
                 removeRolePreset(member, 'mute')
             }, duration)
diff --git a/bots/discord/src/commands/moderation/role-preset.ts b/bots/discord/src/commands/moderation/role-preset.ts
index 04f3038..a009f93 100644
--- a/bots/discord/src/commands/moderation/role-preset.ts
+++ b/bots/discord/src/commands/moderation/role-preset.ts
@@ -2,7 +2,7 @@ import { ModerationCommand } from '$/classes/Command'
 import CommandError, { CommandErrorType } from '$/classes/CommandError'
 import { sendPresetReplyAndLogs } from '$/utils/discord/moderation'
 import { applyRolePreset, removeRolePreset } from '$/utils/discord/rolePresets'
-import { parseDuration } from '$/utils/duration'
+import { isSafeTimeoutDuration, parseDuration } from '$/utils/duration'
 
 const SubcommandOptions = {
     member: {
@@ -78,7 +78,7 @@ export default new ModerationCommand({
             )
         }
 
-        if (Number.isSafeInteger(expires))
+        if (expires && isSafeTimeoutDuration(expires))
             setTimeout(() => {
                 removeRolePreset(member, preset)
             }, expires)
diff --git a/bots/discord/src/utils/duration.ts b/bots/discord/src/utils/duration.ts
index 58f14f3..0accc19 100644
--- a/bots/discord/src/utils/duration.ts
+++ b/bots/discord/src/utils/duration.ts
@@ -38,3 +38,7 @@ export const durationToString = (duration: number) => {
         left: '',
     })
 }
+
+export function isSafeTimeoutDuration(duration: number) {
+    return duration > 0 && duration < 2 ** 31 - 1
+}