diff --git a/static/i18n.js b/static/i18n.js
index e1b2c986..ca94dc5e 100644
--- a/static/i18n.js
+++ b/static/i18n.js
@@ -5027,7 +5027,7 @@ const LOCALES = {
     profile_gateway_stopped: 'Gateway gestoppt',
     profile_active: 'Aktiv',
     profile_no_configuration: 'Keine Konfiguration',
-    profile_skill_count: '{count} Fähigkeiten',
+    profile_skill_count: (count) => `${count} Fähigkeit${count === 1 ? '' : 'en'}`,
     profile_use: 'Verwenden',
     profile_switch_title: 'Profil wechseln',
     profile_delete_title: 'Profil löschen',
diff --git a/tests/test_issue1989_profile_skill_count.py b/tests/test_issue1989_profile_skill_count.py
new file mode 100644
index 00000000..1b1641a8
--- /dev/null
+++ b/tests/test_issue1989_profile_skill_count.py
@@ -0,0 +1,42 @@
+from pathlib import Path
+import re
+
+I18N_JS = (Path(__file__).resolve().parents[1] / "static" / "i18n.js").read_text(encoding="utf-8")
+
+
+def _extract_locale_block(locale: str, src: str) -> str:
+    locale_key_re = re.compile(
+        rf"(?m)^[ \t]{{2}}(?:'{re.escape(locale)}'|\"{re.escape(locale)}\"|{re.escape(locale)})\s*:\s*\{{"
+    )
+    start_match = locale_key_re.search(src)
+    assert start_match is not None, f"Locale {locale!r} not found in i18n.js"
+
+    brace_start = start_match.end() - 1
+    assert brace_start != -1, f"Locale {locale!r} block has no opening brace"
+
+    next_locale_re = re.compile(
+        r"(?m)^[ \t]{2}(?:[A-Za-z]{2,3}(?:[-_][A-Za-z0-9_]+)?|'[A-Za-z]{2,3}(?:[-_][A-Za-z0-9_]+)?'|\"[A-Za-z]{2,3}(?:[-_][A-Za-z0-9_]+)?\")\s*:\s*\{"
+    )
+    next_match = next_locale_re.search(src, pos=brace_start + 1)
+    end = next_match.start() if next_match else len(src)
+
+    depth = 0
+    for idx in range(brace_start, end):
+        char = src[idx]
+        if char == "{":
+            depth += 1
+        elif char == "}":
+            depth -= 1
+            if depth == 0:
+                return src[brace_start : idx + 1]
+    assert False, f"Locale {locale!r} block did not close cleanly"
+
+
+def test_german_profile_skill_count_is_function():
+    de_block = _extract_locale_block("de", I18N_JS)
+    # German locale should pass count as an interpolation arg, not expose {count} verbatim.
+    assert "profile_skill_count:" in de_block
+    assert "{count} Fähigkeiten" not in de_block
+    assert re.search(r"profile_skill_count:\s*\([^)]*\)\s*=>", de_block), (
+        "profile_skill_count in de locale should be an arrow function, not a string template"
+    )