diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index c9cac27ae..2c57d0500 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -3201,6 +3201,7 @@ HFONT CreateFont(
   <!-- void *_memccpy(void *dest, const void *src, int c, size_t n);-->
   <function name="_memccpy">
     <leak-ignore/>
+    <returnValue type="void *"/>
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-null/>
@@ -3222,6 +3223,7 @@ HFONT CreateFont(
   </function>
   <!-- int _fcloseall( void ); -->
   <function name="_fcloseall">
+    <returnValue type="int"/>
     <noreturn>false</noreturn>
   </function>
   <!-- int _open(const char *filename,  int oflag [, int pmode] );
@@ -3323,6 +3325,7 @@ HFONT CreateFont(
   <!-- void * _aligned_malloc_dbg(size_t size, size_t alignment, const char *filename, int linenumber); -->
   <function name="_malloc_dbg,_aligned_malloc_dbg">
     <use-retval/>
+    <returnValue type="void *"/>
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-uninit/>