diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index 71ea0ce13..67e0dda50 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -9173,7 +9173,7 @@
     <leak-ignore/>
     <const/>
     <returnValue type="bool"/>
-    <arg nr="1" direction="in">
+    <arg nr="1" direction="out">
       <not-null/>
     </arg>
   </function>
diff --git a/test/cfg/wxwidgets.cpp b/test/cfg/wxwidgets.cpp
index d69e6c3fe..70c4bb253 100644
--- a/test/cfg/wxwidgets.cpp
+++ b/test/cfg/wxwidgets.cpp
@@ -42,6 +42,24 @@ bool duplicateBreak_wxLogApiError(const wxString &msg, const HRESULT &hr, wxStri
 }
 #endif
 
+void argDirection_wxString_ToDouble(const wxString &str)
+{
+	// No warning is expected. Ensure both arguments are treated
+	// as output by library configuration
+	double value;
+	const bool convOk = str.ToDouble(&value);
+	if(convOk && value <= 42.0){}
+}
+
+void argDirection_wxString_ToCDouble(const wxString &str)
+{
+	// No warning is expected. Ensure both arguments are treated
+	// as output by library configuration
+	double value;
+	const bool convOk = str.ToCDouble(&value);
+	if(convOk && value <= 42.0){}
+}
+
 void argDirection_wxTextCtrl_GetSelection(const wxTextCtrl *const textCtrl)
 {
 	// No warning is expected. Ensure both arguments are treated