diff --git a/extensions/sdktools/vglobals.cpp b/extensions/sdktools/vglobals.cpp
index 02f9a119..d5a98bdb 100644
--- a/extensions/sdktools/vglobals.cpp
+++ b/extensions/sdktools/vglobals.cpp
@@ -158,7 +158,7 @@ void GetIServer()
 	siglen = UTIL_StringToSignature(sigstr, sig, sizeof(sig));
 	
 #if SOURCE_ENGINE == SE_ORANGEBOXVALVE
-	vfunc = memutils->FindPattern(engine, sigstr, siglen);
+	vfunc = memutils->FindPattern(engine, sig, siglen);
 	if (!vfunc)
 	{
 		return;