diff --git a/pyupbit/quotation_api.py b/pyupbit/quotation_api.py
index 5fcc065..bef0e8b 100644
--- a/pyupbit/quotation_api.py
+++ b/pyupbit/quotation_api.py
@@ -26,7 +26,7 @@ def get_tickers(fiat="", is_details=False, limit_info=False, verbose=False):
     detail = "true" if is_details else "false"
     markets, req_limit_info = _call_public_api(url, isDetails=detail)
 
-    if verbose:
+    if verbose or is_details:
         tickers = [x for x in markets if x['market'].startswith(fiat)]
     else:
         tickers = [x['market'] for x in markets if x['market'].startswith(fiat)]
diff --git a/tests/test_quotation_api.py b/tests/test_quotation_api.py
index ca6c749..4a52e29 100644
--- a/tests/test_quotation_api.py
+++ b/tests/test_quotation_api.py
@@ -24,6 +24,12 @@ def test_get_tickers_with_limit_info():
     assert isinstance(limit_info, dict)
 
 
+def test_get_tickers_with_market_warning():
+    tickers = get_tickers(is_details=True)
+    for ticker in tickers:
+        assert ticker["market_warning"] in ["NONE", "CAUTION"]
+
+
 def test_get_ohlcv_defaults():
     resp = get_ohlcv()
     assert isinstance(resp, pd.DataFrame)