diff --git a/extensions/bintools/CallWrapper.cpp b/extensions/bintools/CallWrapper.cpp
index d13eff6c..5926952a 100644
--- a/extensions/bintools/CallWrapper.cpp
+++ b/extensions/bintools/CallWrapper.cpp
@@ -35,6 +35,8 @@ CallWrapper::CallWrapper(CallConvention cv, const PassInfo *paramInfo, const Pas
 		{
 			m_Params[i].info = paramInfo[i];
 		}
+	} else {
+		m_Params = NULL;
 	}
 
 	if (retInfo)