diff --git a/services/wolf.sh b/services/wolf.sh
index ddbe7c5..30c926b 100644
--- a/services/wolf.sh
+++ b/services/wolf.sh
@@ -1719,8 +1719,16 @@ CATALOG = {
     ),
     'desktop': dict(
         name='WolfDesktop', title='Desktop',
-        icon='https://games-on-whales.github.io/wildlife/apps/desktop/assets/icon.png',
-        image='ghcr.io/games-on-whales/desktop:edge',
+        # NOT "desktop" — ghcr.io/games-on-whales/desktop never existed.
+        # Confirmed live: Wolf logged "[DOCKER] error 404 - No such image:
+        # ghcr.io/games-on-whales/desktop:edge" and silently dropped back to
+        # the Moonlight app list with no other indication of failure. The
+        # games-on-whales/gow repo's apps/ directory names this app "xfce",
+        # and ghcr.io/games-on-whales/xfce:edge is the real, currently
+        # published image (confirmed against the GHCR package's own tag
+        # list). The icon path uses the same "xfce" naming.
+        icon='https://games-on-whales.github.io/wildlife/apps/xfce/assets/icon.png',
+        image='ghcr.io/games-on-whales/xfce:edge',
         # Shares the SAME persistent home (.config/.local/share) and
         # emulators/ -> ~/Applications mount as esde/retroarch below — a real
         # XFCE multi-window session is a much more reliable place to run a
@@ -1812,6 +1820,33 @@ def update_field(lines, wolf_name, field, new_value):
                     return True
     return False
 
+def update_scalar_field(lines, wolf_name, field, new_value):
+    # Same block-bounding as update_field, but for a single-line scalar
+    # string field (image, icon_png_path) that Wolf never reformats across
+    # multiple lines. update_field's array logic (which scans forward
+    # hunting for a closing ']') isn't safe to reuse here — a scalar line
+    # has no ']' of its own and that scan would run off into an unrelated
+    # array field further down the same block (e.g. 'ports = []'),
+    # corrupting it. Confirmed needed live: a stale 'image' field (e.g. the
+    # games-on-whales/desktop -> xfce rename) was NOT refreshed by
+    # update_field, since only 'mounts'/'env' were ever passed to it — an
+    # already-installed app's broken image reference survived every
+    # reinstall/'./manage.sh apps' re-run until this was added.
+    for i, line in enumerate(lines):
+        if f"name = '{wolf_name}'" in line:
+            block_start = i
+            while block_start > 0 and lines[block_start].strip() != '[[profiles.apps]]':
+                block_start -= 1
+            block_end = i + 1
+            while block_end < len(lines) and lines[block_end].strip() not in ('[[profiles.apps]]', '[[profiles]]'):
+                block_end += 1
+            for j in range(block_start, block_end):
+                if lines[j].lstrip().startswith(field + " = '"):
+                    indent = lines[j][:len(lines[j]) - len(lines[j].lstrip())]
+                    lines[j] = f"{indent}{field} = '{new_value}'\n"
+                    return True
+    return False
+
 with open(cfg, 'r') as f:
     lines = f.readlines()
 
@@ -1838,6 +1873,8 @@ for key in list(CATALOG.keys()):
     if already:
         ok = update_field(lines, wolf_name, 'mounts', new_mounts)
         ok = update_field(lines, wolf_name, 'env', new_env) or ok
+        ok = update_scalar_field(lines, wolf_name, 'image', app['image']) or ok
+        ok = update_scalar_field(lines, wolf_name, 'icon_png_path', app['icon']) or ok
         if ok:
             updated.append(app['title'])
     else:
@@ -3134,8 +3171,16 @@ CATALOG = {
     ),
     'desktop': dict(
         name='WolfDesktop', title='Desktop',
-        icon='https://games-on-whales.github.io/wildlife/apps/desktop/assets/icon.png',
-        image='ghcr.io/games-on-whales/desktop:edge',
+        # NOT "desktop" — ghcr.io/games-on-whales/desktop never existed.
+        # Confirmed live: Wolf logged "[DOCKER] error 404 - No such image:
+        # ghcr.io/games-on-whales/desktop:edge" and silently dropped back to
+        # the Moonlight app list with no other indication of failure. The
+        # games-on-whales/gow repo's apps/ directory names this app "xfce",
+        # and ghcr.io/games-on-whales/xfce:edge is the real, currently
+        # published image (confirmed against the GHCR package's own tag
+        # list). The icon path uses the same "xfce" naming.
+        icon='https://games-on-whales.github.io/wildlife/apps/xfce/assets/icon.png',
+        image='ghcr.io/games-on-whales/xfce:edge',
         # Shares the SAME persistent home (.config/.local/share) and
         # emulators/ -> ~/Applications mount as esde/retroarch below — a real
         # XFCE multi-window session is a much more reliable place to run a
@@ -3228,6 +3273,33 @@ def update_field(lines, wolf_name, field, new_value):
                     return True
     return False
 
+def update_scalar_field(lines, wolf_name, field, new_value):
+    # Same block-bounding as update_field, but for a single-line scalar
+    # string field (image, icon_png_path) that Wolf never reformats across
+    # multiple lines. update_field's array logic (which scans forward
+    # hunting for a closing ']') isn't safe to reuse here — a scalar line
+    # has no ']' of its own and that scan would run off into an unrelated
+    # array field further down the same block (e.g. 'ports = []'),
+    # corrupting it. Confirmed needed live: a stale 'image' field (e.g. the
+    # games-on-whales/desktop -> xfce rename) was NOT refreshed by
+    # update_field, since only 'mounts'/'env' were ever passed to it — an
+    # already-installed app's broken image reference survived every
+    # './manage.sh apps' re-run until this was added.
+    for i, line in enumerate(lines):
+        if f"name = '{wolf_name}'" in line:
+            block_start = i
+            while block_start > 0 and lines[block_start].strip() != '[[profiles.apps]]':
+                block_start -= 1
+            block_end = i + 1
+            while block_end < len(lines) and lines[block_end].strip() not in ('[[profiles.apps]]', '[[profiles]]'):
+                block_end += 1
+            for j in range(block_start, block_end):
+                if lines[j].lstrip().startswith(field + " = '"):
+                    indent = lines[j][:len(lines[j]) - len(lines[j].lstrip())]
+                    lines[j] = f"{indent}{field} = '{new_value}'\n"
+                    return True
+    return False
+
 with open(cfg, 'r') as f:
     lines = f.readlines()
 
@@ -3257,6 +3329,8 @@ for key in list(CATALOG.keys()):   # preserve display order
     if already:
         ok = update_field(lines, wolf_name, 'mounts', new_mounts)
         ok = update_field(lines, wolf_name, 'env', new_env) or ok
+        ok = update_scalar_field(lines, wolf_name, 'image', app['image']) or ok
+        ok = update_scalar_field(lines, wolf_name, 'icon_png_path', app['icon']) or ok
         if ok:
             updated.append(app['title'])
     else: