diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index 7acaee376..71d43cdb0 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -194,6 +194,7 @@
   <function name="wxSpinCtrl::GetMax,wxSpinCtrl::GetMin,wxSpinCtrl::GetBase,wxSpinCtrl::GetValue">
     <noreturn>false</noreturn>
     <leak-ignore/>
+    <use-retval/>
     <returnValue type="int"/>
   </function>
   <!-- http://docs.wxwidgets.org/trunk/classwx_spin_ctrl.html#a1db15e6f350f71f2fcba821ce69a531c	-->
@@ -201,6 +202,7 @@
   <function name="wxSpinCtrl::SetBase">
     <noreturn>false</noreturn>
     <leak-ignore/>
+    <pure/>
     <returnValue type="bool"><![CDATA[arg1==10 || arg1==16]]></returnValue>
     <arg nr="1">
       <valid>10,16</valid>
@@ -266,4 +268,5 @@
   <podtype name="wxUint64" sign="u" size="8"/>
   <podtype name="wxIntPtr" sign="s"/>
   <podtype name="wxUIntPtr" sign="u"/>
+  <podtype name="wxDateTime_t" sign="u"/> <!-- typedef unsigned short wxDateTime_t; -->
 </def>