diff --git a/src/public/tier1/cmd.h b/src/public/tier1/cmd.h
index 32e55b10..a99a358d 100644
--- a/src/public/tier1/cmd.h
+++ b/src/public/tier1/cmd.h
@@ -130,6 +130,7 @@ inline const char* CCommand::Arg(int nIndex) const
 	// do the extra check and return an empty string if it's out of range
 	if (nIndex < 0 || nIndex >= m_nArgc)
 	{
+		Assert(0);
 		return "";
 	}
 	return m_ppArgv[nIndex];