diff --git a/saco/chatwindow.cpp b/saco/chatwindow.cpp
index a341a53..85d0f77 100644
--- a/saco/chatwindow.cpp
+++ b/saco/chatwindow.cpp
@@ -246,3 +246,21 @@ void CChatWindow::OnMouseWheel(int nDelta)
 		m_pScrollBar->Scroll(-(nDelta*nScrollLines));
 	}
 }
+
+//----------------------------------------------------
+
+void CChatWindow::AddChatMessage(PCHAR szName, DWORD dwColor, PCHAR szText)
+{
+	char *p = szText;
+	if(szText[0])
+	{
+		do
+		{
+			if(*p > 0 && *p < 32)
+				*p = 32;
+		}
+		while(*++p);
+	}
+
+	sub_10067BE0(2, szText, szName, m_dwChatTextColor, dwColor);
+}
diff --git a/saco/chatwindow.h b/saco/chatwindow.h
index 08e13b9..24db1fb 100644
--- a/saco/chatwindow.h
+++ b/saco/chatwindow.h
@@ -67,7 +67,7 @@ public:
 
 public:
 
-	int sub_10067BE0(int a1, char *a2, int a3, int a4, int a5); // .text:10067BE0
+	int sub_10067BE0(int a1, char *a2, char *a3, DWORD a4, DWORD a5); // .text:10067BE0
 
 	void AddChatMessage(PCHAR szName, DWORD dwColor, PCHAR szText); // .text:10068020