diff --git a/tools/aapt2/ResourceParser_test.cpp b/tools/aapt2/ResourceParser_test.cpp
index 251ca0c..5336141 100644
--- a/tools/aapt2/ResourceParser_test.cpp
+++ b/tools/aapt2/ResourceParser_test.cpp
@@ -183,11 +183,11 @@
   EXPECT_THAT(str->untranslatable_sections, IsEmpty());
 
   // Preserve non-ASCII whitespace including extended ASCII characters
-  EXPECT_TRUE(TestParse(R"(<string name="foo3">&#160;Hello&#160;</string>)"));
+  EXPECT_TRUE(TestParse(R"(<string name="foo3">&#160;Hello&#x202F;World&#160;</string>)"));
 
   str = test::GetValue<String>(&table_, "string/foo3");
   ASSERT_THAT(str, NotNull());
-  EXPECT_THAT(*str->value, StrEq("\xC2\xA0Hello\xC2\xA0"));
+  EXPECT_THAT(*str->value, StrEq("\xC2\xA0Hello\xE2\x80\xAFWorld\xC2\xA0"));
   EXPECT_THAT(str->untranslatable_sections, IsEmpty());
 
   EXPECT_TRUE(TestParse(R"(<string name="foo4">2005年6月1日</string>)"));
diff --git a/tools/aapt2/ResourceUtils.cpp b/tools/aapt2/ResourceUtils.cpp
index f0e4d9e..a571aee 100644
--- a/tools/aapt2/ResourceUtils.cpp
+++ b/tools/aapt2/ResourceUtils.cpp
@@ -40,8 +40,6 @@
 namespace aapt {
 namespace ResourceUtils {
 
-constexpr int32_t kNonBreakingSpace = 0xa0;
-
 Maybe<ResourceName> ToResourceName(
     const android::ResTable::resource_name& name_in) {
   // TODO: Remove this when ResTable and AssetManager(1) are removed from AAPT2
@@ -854,7 +852,8 @@
   Utf8Iterator iter(text);
   while (iter.HasNext()) {
     char32_t codepoint = iter.Next();
-    if (!preserve_spaces_ && !quote_ && codepoint != kNonBreakingSpace && iswspace(codepoint)) {
+    if (!preserve_spaces_ && !quote_ && (codepoint <= std::numeric_limits<char>::max())
+                                         && isspace(static_cast<char>(codepoint))) {
       if (!last_codepoint_was_space_) {
         // Emit a space if it's the first.
         xml_string_.text += ' ';