diff --git a/gns3server/controller/symbols.py b/gns3server/controller/symbols.py
index b725c7c0..d5fc2ae3 100644
--- a/gns3server/controller/symbols.py
+++ b/gns3server/controller/symbols.py
@@ -72,7 +72,7 @@ class Symbols:
             return None
         symbol_path = theme.get(symbol)
         if symbol_path not in self._symbols_path:
-            log.warning(f"Default symbol {symbol} was not found")
+            log.debug(f"Default symbol {symbol} was not found")
             return None
         return symbol_path
 
@@ -153,6 +153,9 @@ class Symbols:
                 else:
                     # return the default computer symbol
                     log.warning(f"Could not retrieve symbol '{symbol_id}', returning default symbol...")
+                    symbol = self.get_default_symbol("computer", self._current_theme)
+                    if symbol:
+                        return symbol
                     return self._symbols_path[":/symbols/classic/computer.svg"]
 
     def get_size(self, symbol_id):
diff --git a/requirements.txt b/requirements.txt
index 3e73d718..c94db2db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ fastapi==0.104.1
 python-multipart==0.0.6
 websockets==12.0
 aiohttp>=3.8.6,<3.9; python_version < '3.12'
-aiohttp==3.9.0b0; python_version == '3.12'
+aiohttp==3.9.0rc0; python_version == '3.12'
 async-timeout==4.0.3
 aiofiles==23.2.1
 Jinja2>=3.1.2,<3.2