diff --git a/src/util/io/get_member.cpp b/src/util/io/get_member.cpp
index eba0c8ad..51d00ce2 100644
--- a/src/util/io/get_member.cpp
+++ b/src/util/io/get_member.cpp
@@ -29,6 +29,7 @@ template <> void GetDefaultMember::handle(const Color&        v) { value = to_sc
 template <> void GetDefaultMember::handle(const wxDateTime&   v) { value = to_script(v); }
             void GetDefaultMember::handle(const ScriptValueP& v) { value = v; }
             void GetDefaultMember::handle(const ScriptP&      v) { value = v; }
+template <> void GetDefaultMember::handle(const unsigned long& v) { value = to_script((int)v); }
 
 // ----------------------------------------------------------------------------- : GetMember
 
diff --git a/src/util/prec.hpp b/src/util/prec.hpp
index c142e350..7e60b10c 100644
--- a/src/util/prec.hpp
+++ b/src/util/prec.hpp
@@ -106,3 +106,11 @@ typedef unsigned int  UInt;
   #define assert(exp) (void)( (exp) || (msvc_assert(nullptr, _CRT_WIDE(#exp), _CRT_WIDE(__FILE__), __LINE__), 0) )
 #endif
 
+#if wxVERSION_NUMBER < 3100
+// wx <= 3.1 doesn't include a hash implementation for wxString
+template <> struct std::hash<wxString> {
+  size_t operator()(const wxString& k) const {
+    return hash<wstring>()(k.ToStdWstring());
+  }
+};
+#endif