diff --git a/src/msw/uilocale.cpp b/src/msw/uilocale.cpp
index 21615c1b49..8e7eb5dbed 100644
--- a/src/msw/uilocale.cpp
+++ b/src/msw/uilocale.cpp
@@ -205,13 +205,11 @@ wxUILocaleImpl* wxUILocaleImpl::CreateForLanguage(const wxLanguageInfo& info)
 }
 
 /* static */
-int wxUILocale::CompareStrings(const wxString& lhs, const wxString& rhs, const wxLocaleIdent& locale_id)
+int wxUILocale::CompareStrings(const wxString& lhs, const wxString& rhs, const wxLocaleIdent& localeId)
 {
     int ret = wxMSWCompareStringEx(
-        locale_id.IsDefault() ? LOCALE_NAME_USER_DEFAULT
-                              : static_cast<LPCWSTR>(
-                                  locale_id.GetName().wc_str()
-                                  ),
+        localeId.IsDefault() ? LOCALE_NAME_USER_DEFAULT
+                             : static_cast<LPCWSTR>(localeId.GetName().wc_str()),
         0, // Maybe we need LINGUISTIC_IGNORECASE here
         static_cast<LPCWSTR>(lhs.wc_str()), -1,
         static_cast<LPCWSTR>(rhs.wc_str()), -1,
diff --git a/src/osx/core/uilocale.mm b/src/osx/core/uilocale.mm
index d6a1f081e3..f718fd907c 100644
--- a/src/osx/core/uilocale.mm
+++ b/src/osx/core/uilocale.mm
@@ -133,13 +133,13 @@ wxUILocaleImpl* wxUILocaleImpl::CreateForLanguage(const wxLanguageInfo& info)
 }
 
 /* static */
-int wxUILocale::CompareStrings(const wxString& lhs, const wxString& rhs, const wxLocaleIdent& locale_id)
+int wxUILocale::CompareStrings(const wxString& lhs, const wxString& rhs, const wxLocaleIdent& localeId)
 {
     NSString *ns_lhs = [NSString stringWithCString:lhs.ToStdString(wxConvUTF8).c_str()
                                  encoding:NSUTF8StringEncoding];
     NSString *ns_rhs = [NSString stringWithCString:rhs.ToStdString(wxConvUTF8).c_str()
                                  encoding:NSUTF8StringEncoding];
-    NSString *ns_locale_id = [NSString stringWithCString:locale_id.GetName().ToStdString(wxConvUTF8).c_str()
+    NSString *ns_locale_id = [NSString stringWithCString:localeId.GetName().ToStdString(wxConvUTF8).c_str()
                                        encoding:NSUTF8StringEncoding];
     NSInteger options = NSCaseInsensitiveSearch; // Maybe also NSDiacriticInsensitiveSearch?
     NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:ns_locale_id];