diff --git a/accelerator.games.txt b/accelerator.games.txt
index e8ac30f..daad4d2 100644
--- a/accelerator.games.txt
+++ b/accelerator.games.txt
@@ -52,6 +52,24 @@
 			}
 		}
 	}
+	
+	"csgo"
+	{
+		"Signatures"
+		{
+			"GetSpew"
+			{
+				"library" "engine"
+				"windows" "\x55\x8B\xEC\x51\x53\x56\x57\x8B\xFA\x8B\xD9"
+				"linux" "\x55\x89\xE5\x57\x56\x53\x83\xEC\x2C\x8B\x5D\x08\xE8\x2A\x2A\x2A\x2A\x89\xC2\xA1\x2A\x2A\x2A\x2A"
+			}
+		}
+		
+		"Keys"
+		{
+			"UseFastcall"	"yes"
+		}
+	}
 
 	"hl2mp"
 	{
diff --git a/extension/extension.cpp b/extension/extension.cpp
index e956ce4..ceb512a 100644
--- a/extension/extension.cpp
+++ b/extension/extension.cpp
@@ -45,6 +45,10 @@ IGameConfig *gameconfig;
 
 typedef void (*GetSpew_t)(char *buffer, unsigned int length);
 GetSpew_t GetSpew;
+#if defined _WINDOWS
+typedef void(__fastcall *GetSpewf_t)(char *buffer, unsigned int length);
+GetSpewf_t GetSpewf;
+#endif
 
 char spewBuffer[65536]; // Hi.
 
@@ -286,8 +290,12 @@ static bool dumpCallback(const wchar_t* dump_path,
 	fprintf(extra, "%s", steamInf);
 	fprintf(extra, "\n-------- CONFIG END --------\n");
 
-	if (GetSpew) {
-		GetSpew(spewBuffer, sizeof(spewBuffer));
+	if (GetSpew || GetSpewf) {
+		if (GetSpew)
+			GetSpew(spewBuffer, sizeof(spewBuffer));
+		else if (GetSpewf)
+			GetSpewf(spewBuffer, sizeof(spewBuffer));
+
 		if (strlen(spewBuffer) > 0) {
 			fprintf(extra, "-------- CONSOLE HISTORY BEGIN --------\n%s-------- CONSOLE HISTORY END --------\n", spewBuffer);
 		}
@@ -477,6 +485,15 @@ bool Accelerator::SDK_OnLoad(char *error, size_t maxlength, bool late)
 		smutils->LogMessage(myself, "WARNING: Sigscan for GetSpew failed, console output will not be included in crash reports.");
 	}
 
+#if defined _WINDOWS
+	const char *fastcall = gameconfig->GetKeyValue("UseFastcall");
+	if (fastcall && !strcmp(fastcall, "yes"))
+	{
+		GetSpewf = (GetSpewf_t)GetSpew;
+		GetSpew = nullptr;
+	}
+#endif
+
 #if defined _LINUX
 	google_breakpad::MinidumpDescriptor descriptor(dumpStoragePath);
 	handler = new google_breakpad::ExceptionHandler(descriptor, NULL, dumpCallback, NULL, true, -1);