diff --git a/fvtt-celestopol.mjs b/fvtt-celestopol.mjs
index 9dc15dd..b47692e 100644
--- a/fvtt-celestopol.mjs
+++ b/fvtt-celestopol.mjs
@@ -67,6 +67,7 @@ Hooks.once("init", () => {
     SYSTEM,
     rollMoonStandalone: (actor = null) => CelestopolRoll.rollMoonStandalone(actor),
     manageFactionAspects: (actor = null) => _manageFactionAspects(actor),
+    resetFactionAspects:  () => _resetFactionAspects(),
     getFactionAspectState: () => _getFactionAspectState(),
     getFactionAspectSummary: (actor = null) => _getFactionAspectSummary(actor),
     getFactionDisplayLabel: (value) => _getFactionDisplayLabel(value),
@@ -1218,6 +1219,24 @@ async function _setFactionAspectState(state) {
   return cleanState
 }
 
+async function _resetFactionAspects() {
+  if (!game.user.isGM) {
+    ui.notifications.warn(game.i18n.localize("CELESTOPOL.FactionAspect.gmOnly"))
+    return
+  }
+  const confirmed = await foundry.applications.api.DialogV2.confirm({
+    window: { title: game.i18n.localize("CELESTOPOL.FactionAspect.resetTitle") },
+    content: `<p>${game.i18n.localize("CELESTOPOL.FactionAspect.resetConfirm")}</p>`,
+    yes: { label: game.i18n.localize("CELESTOPOL.FactionAspect.resetConfirmYes"), icon: "fas fa-redo" },
+    no:  { label: game.i18n.localize("Cancel"), icon: "fas fa-times" },
+    rejectClose: false,
+  })
+  if (!confirmed) return
+  const state = _getFactionAspectState()
+  await _setFactionAspectState({ ...state, activatedAspects: [] })
+  ui.notifications.info(game.i18n.localize("CELESTOPOL.FactionAspect.resetSuccess"))
+}
+
 function _refreshFactionAspectSheets() {
   for (const actor of game.actors.contents) {
     if (actor.type !== "character") continue
diff --git a/lang/fr.json b/lang/fr.json
index 8b74b0c..cc09186 100644
--- a/lang/fr.json
+++ b/lang/fr.json
@@ -189,7 +189,12 @@
       "renforts": "Renforts",
       "renseignements": "Renseignements",
       "ressources": "Ressources",
-      "surveillance": "Surveillance"
+      "surveillance": "Surveillance",
+      "resetButton": "Réinitialiser",
+      "resetTitle": "Réinitialiser les Aspects de faction",
+      "resetConfirm": "Voulez-vous réinitialiser tous les Aspects de faction mobilisés ? Cette action efface la réserve de scénario en cours.",
+      "resetConfirmYes": "Réinitialiser",
+      "resetSuccess": "Aspects de faction réinitialisés pour le nouveau scénario."
     },
     "Track": {
       "blessures": "Blessures",
diff --git a/module/applications/sheets/character-sheet.mjs b/module/applications/sheets/character-sheet.mjs
index a131274..48bee42 100644
--- a/module/applications/sheets/character-sheet.mjs
+++ b/module/applications/sheets/character-sheet.mjs
@@ -32,6 +32,7 @@ export default class CelestopolCharacterSheet extends CelestopolActorSheet {
       supprimerXpLog:   CelestopolCharacterSheet.#onSupprimerXpLog,
       rollMoonDie:      CelestopolCharacterSheet.#onRollMoonDie,
       manageFactionAspects: CelestopolCharacterSheet.#onManageFactionAspects,
+      resetFactionAspects:  CelestopolCharacterSheet.#onResetFactionAspects,
     },
   }
 
@@ -245,6 +246,10 @@ export default class CelestopolCharacterSheet extends CelestopolActorSheet {
     await game.celestopol?.manageFactionAspects(this.document)
   }
 
+  static async #onResetFactionAspects() {
+    await game.celestopol?.resetFactionAspects()
+  }
+
   /** Ouvre un dialogue pour dépenser de l'XP. */
   static async #onDepenseXp() {
     const actor = this.document
diff --git a/templates/character-factions.hbs b/templates/character-factions.hbs
index 2edf0b3..6579fe1 100644
--- a/templates/character-factions.hbs
+++ b/templates/character-factions.hbs
@@ -7,6 +7,9 @@
         <a class="faction-aspect-manage" data-action="manageFactionAspects">
           <i class="fa-solid fa-sliders"></i> {{localize "CELESTOPOL.FactionAspect.manage"}}
         </a>
+        <a class="faction-aspect-reset" data-action="resetFactionAspects">
+          <i class="fa-solid fa-rotate-left"></i> {{localize "CELESTOPOL.FactionAspect.resetButton"}}
+        </a>
         {{/if}}
       </div>