diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 0ca26ec67..61eb76e36 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -4283,6 +4283,7 @@ HFONT CreateFont(
   <function name="_mbsncpy,_mbsnbcpy,_tcsncpy">
     <noreturn>false</noreturn>
     <leak-ignore/>
+    <not-overlapping-data ptr1-arg="1" ptr2-arg="2" size-arg="3"/>
     <arg nr="1" direction="out">
       <not-null/>
       <minsize type="argvalue" arg="3"/>
@@ -4325,6 +4326,7 @@ HFONT CreateFont(
   <function name="_strncpy_l,_wcsncpy_l,_mbsncpy_l,_tcsncpy_l">
     <noreturn>false</noreturn>
     <leak-ignore/>
+    <not-overlapping-data ptr1-arg="1" ptr2-arg="2" size-arg="3"/>
     <arg nr="1" direction="out">
       <not-null/>
       <minsize type="argvalue" arg="3"/>