diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index 67e0dda50..e561a6709 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -13679,8 +13679,8 @@ wxItemKind kind = wxITEM_NORMAL) -->
     <const/>
     <use-retval/>
     <leak-ignore/>
-    <arg nr="1" direction="in"/>
-    <arg nr="2" default="0" direction="in">
+    <arg nr="1" direction="out"/>
+    <arg nr="2" default="0" direction="out">
       <not-uninit/>
       <not-bool/>
     </arg>
diff --git a/test/cfg/wxwidgets.cpp b/test/cfg/wxwidgets.cpp
index 229ce5384..7180950ea 100644
--- a/test/cfg/wxwidgets.cpp
+++ b/test/cfg/wxwidgets.cpp
@@ -22,12 +22,27 @@
 #include <wx/memory.h>
 #include <wx/frame.h>
 #include <wx/menu.h>
+#include <wx/regex.h>
 #include <wx/stattext.h>
 #include <wx/sizer.h>
 #include <wx/string.h>
 #include <wx/textctrl.h>
 #include <wx/propgrid/property.h>
 
+void uninitvar_wxRegEx_GetMatch(wxRegEx &obj, size_t *start, size_t *len, size_t index)
+{
+    size_t s,l;
+    size_t *sPtr,*lPtr;
+    // cppcheck-suppress uninitvar
+    (void)obj.GetMatch(&s,lPtr);
+    // TODO cppcheck-suppress uninitvar
+    (void)obj.GetMatch(sPtr,&l);
+    (void)obj.GetMatch(&s,&l);
+    (void)obj.GetMatch(start,len);
+    (void)obj.GetMatch(start,len,0);
+    (void)obj.GetMatch(start,len,index);
+}
+
 #ifdef __VISUALC__
 // Ensure no duplicateBreak warning is issued after wxLogApiError() calls.
 // This function does not terminate execution.