diff --git a/W3GNET/Parsers/ReplayParser.cs b/W3GNET/Parsers/ReplayParser.cs
index 1aacdaa..1111b08 100644
--- a/W3GNET/Parsers/ReplayParser.cs
+++ b/W3GNET/Parsers/ReplayParser.cs
@@ -46,7 +46,11 @@ public async Task<ParserOutput> Parse(Stream input)
             };
 
             OnBasicReplayInformation?.Invoke(result);
-            await gameDataParser.Parse(metadataParserResult.gameData);
+
+            if (OnGameDataBlock != null)
+            {
+                await gameDataParser.Parse(metadataParserResult.gameData);
+            }
 
             return result;
         }