diff --git a/firstrade/symbols.py b/firstrade/symbols.py
index 2a9335e..56f3cd1 100644
--- a/firstrade/symbols.py
+++ b/firstrade/symbols.py
@@ -48,9 +48,12 @@ def __init__(self, ft_session: FTSession, symbol: str):
         self.bid = float(quote.find("bid").text.replace(",", ""))
         self.ask = float(quote.find("ask").text.replace(",", ""))
         self.last = float(quote.find("last").text.replace(",", ""))
-        self.bid_size = int(quote.find("bidsize").text.replace(",", ""))
-        self.ask_size = int(quote.find("asksize").text.replace(",", ""))
-        self.last_size = int(quote.find("lastsize").text.replace(",", ""))
+        temp_store = quote.find("bidsize").text.replace(",", "")
+        self.bid_size = int(temp_store) if temp_store.isdigit() else 0
+        temp_store = quote.find("asksize").text.replace(",", "")
+        self.ask_size = int(temp_store) if temp_store.isdigit() else 0
+        temp_store = quote.find("lastsize").text.replace(",", "")
+        self.last_size = int(temp_store) if temp_store.isdigit() else 0
         self.bid_mmid = quote.find("bidmmid").text
         self.ask_mmid = quote.find("askmmid").text
         self.last_mmid = quote.find("lastmmid").text
diff --git a/setup.py b/setup.py
index 0b82318..f823c4a 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="firstrade",
-    version="0.0.18",
+    version="0.0.19",
     author="MaxxRK",
     author_email="maxxrk@pm.me",
     description="An unofficial API for Firstrade",
@@ -13,7 +13,7 @@
     long_description_content_type="text/markdown",
     license="MIT",
     url="https://github.com/MaxxRK/firstrade-api",
-    download_url="https://github.com/MaxxRK/firstrade-api/archive/refs/tags/0018.tar.gz",
+    download_url="https://github.com/MaxxRK/firstrade-api/archive/refs/tags/0019.tar.gz",
     keywords=["FIRSTRADE", "API"],
     install_requires=["requests", "beautifulsoup4", "lxml"],
     packages=["firstrade"],