diff --git a/extensions/sdktools/vcallbuilder.cpp b/extensions/sdktools/vcallbuilder.cpp
index f2bfd9bf..b2497cb7 100644
--- a/extensions/sdktools/vcallbuilder.cpp
+++ b/extensions/sdktools/vcallbuilder.cpp
@@ -18,7 +18,10 @@ ValveCall::~ValveCall()
 		delete [] ptr;
 		stk.pop();
 	}
-	call->Destroy();
+	if (call)
+	{
+		call->Destroy();
+	}
 	delete [] retbuf;
 	delete [] vparams;
 }