diff --git a/claims/models.py b/claims/models.py
index f08af18..9f97cbd 100644
--- a/claims/models.py
+++ b/claims/models.py
@@ -122,6 +122,7 @@ class ClaimLog(models.Model):
         CREATED = "created", _("Submitted")
         STATUS_CHANGED = "status_changed", _("Status changed")
         MARKED_PAID = "marked_paid", _("Marked as paid")
+        PROJECT_CHANGED = "project_changed", _("Project changed")
 
     claim = models.ForeignKey(Claim, related_name="logs", on_delete=models.CASCADE)
     action = models.CharField(max_length=32, choices=Action.choices)
@@ -147,4 +148,3 @@ class ClaimLog(models.Model):
 
     def __str__(self):
         return f"{self.get_action_display()} ({self.created_at:%Y-%m-%d %H:%M})"
-
diff --git a/claims/tests.py b/claims/tests.py
index 7fc67ac..5dbd6c0 100644
--- a/claims/tests.py
+++ b/claims/tests.py
@@ -9,7 +9,7 @@ from django.urls import reverse
 from django.utils import timezone
 
 from .forms import ClaimDecisionForm
-from .models import Claim, Project
+from .models import Claim, ClaimLog, Project
 from .validators import validate_receipt_file
 from .views import SubmitClaimView
 
@@ -144,3 +144,6 @@ class DashboardViewTests(TestCase):
         self.assertEqual(response.status_code, 200)
         claim.refresh_from_db()
         self.assertEqual(claim.project, project_new)
+        self.assertTrue(
+            claim.logs.filter(action=ClaimLog.Action.PROJECT_CHANGED, note__icontains="Project updated").exists()
+        )
diff --git a/claims/views.py b/claims/views.py
index e556eca..363e211 100644
--- a/claims/views.py
+++ b/claims/views.py
@@ -221,6 +221,12 @@ class ClaimDashboardView(LoginRequiredMixin, PermissionRequiredMixin, ListView):
             to_status=claim.status,
             note=decision_note,
         )
+        if project_changed:
+            claim.add_log(
+                action=ClaimLog.Action.PROJECT_CHANGED,
+                performed_by=request.user,
+                note=_("Project updated during decision."),
+            )
         return redirect(request.get_full_path())
 
     def _handle_payment(self, request):
diff --git a/locale/en/LC_MESSAGES/django.mo b/locale/en/LC_MESSAGES/django.mo
index 1f2c5a6..b56925e 100644
Binary files a/locale/en/LC_MESSAGES/django.mo and b/locale/en/LC_MESSAGES/django.mo differ
diff --git a/locale/en/LC_MESSAGES/django.po b/locale/en/LC_MESSAGES/django.po
index 30d2986..f49fee9 100644
--- a/locale/en/LC_MESSAGES/django.po
+++ b/locale/en/LC_MESSAGES/django.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: claims-system 0.1\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-11-09 13:48+0100\n"
+"POT-Creation-Date: 2025-11-09 14:00+0100\n"
 "PO-Revision-Date: 2025-11-08 23:40+0100\n"
 "Last-Translator: ChatGPT <noreply@example.com>\n"
 "Language-Team: English\n"
@@ -160,6 +160,10 @@ msgstr "Status changed"
 msgid "Marked as paid"
 msgstr "Marked as paid"
 
+#: claims/models.py:125
+msgid "Project changed"
+msgstr "Project changed"
+
 #: claims/templates/claims/base.html:8
 msgid "Claims"
 msgstr "Claims"
@@ -840,7 +844,7 @@ msgstr ""
 msgid "Kunde inte spara utläggen. Kontrollera formuläret."
 msgstr ""
 
-#: claims/views.py:182 claims/views.py:231
+#: claims/views.py:182 claims/views.py:237
 #, fuzzy
 #| msgid "Ge behörighet att besluta utlägg"
 msgid "Du har inte behörighet att uppdatera utlägg."
@@ -856,71 +860,73 @@ msgstr "The claim is marked as paid. Decision/comments are locked."
 #: claims/views.py:208
 #, python-format
 msgid "%(claim)s markerades som godkänd."
-msgstr ""
+msgstr "%(claim)s was marked as approved."
 
 #: claims/views.py:211
-#, fuzzy, python-format
-#| msgid "Ej markerad som betald"
+#, python-format
 msgid "%(claim)s markerades som nekad."
-msgstr "Not marked as paid"
+msgstr "%(claim)s was marked as rejected."
 
 #: claims/views.py:228
+msgid "Project updated during decision."
+msgstr "Project updated during decision."
+
+#: claims/views.py:234
 msgid "Betalningshantering är inte aktiverad."
-msgstr ""
+msgstr "Payment handling is not enabled."
 
-#: claims/views.py:236
+#: claims/views.py:242
 msgid "Endast godkända utlägg kan markeras som betalda."
-msgstr ""
+msgstr "Only approved claims can be marked as paid."
 
-#: claims/views.py:239
+#: claims/views.py:245
 msgid "Detta utlägg är redan markerat som betalt."
-msgstr ""
+msgstr "This claim is already marked as paid."
 
-#: claims/views.py:250
-#, fuzzy, python-format
-#| msgid "Ej markerad som betald"
+#: claims/views.py:256
+#, python-format
 msgid "%(claim)s markerades som betald."
-msgstr "Not marked as paid"
+msgstr "%(claim)s was marked as paid."
 
-#: claims/views.py:316
+#: claims/views.py:322
 msgid "Du saknar behörighet för åtgärden."
 msgstr ""
 
-#: claims/views.py:363
+#: claims/views.py:369
 #, python-format
 msgid "Användaren %(user)s skapades."
 msgstr ""
 
-#: claims/views.py:374
+#: claims/views.py:380
 msgid "Du kan inte ta bort din egen staff-status."
 msgstr ""
 
-#: claims/views.py:380
+#: claims/views.py:386
 #, python-format
 msgid "Behörigheter uppdaterades för %(user)s."
 msgstr ""
 
-#: claims/views.py:382
+#: claims/views.py:388
 #, fuzzy
 #| msgid "Justera behörigheter"
 msgid "Kunde inte uppdatera behörigheter."
 msgstr "Adjust permissions"
 
-#: claims/views.py:392
+#: claims/views.py:398
 msgid "Du kan inte ta bort ditt eget konto."
 msgstr ""
 
-#: claims/views.py:394
+#: claims/views.py:400
 msgid "Du kan inte ta bort en superuser via detta gränssnitt."
 msgstr ""
 
-#: claims/views.py:397
+#: claims/views.py:403
 #, fuzzy
 #| msgid "Användare"
 msgid "Användaren togs bort."
 msgstr "Users"
 
-#: claims/views.py:400
+#: claims/views.py:406
 msgid "Okänd åtgärd."
 msgstr ""