diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index b181b67..d26b483 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -538,7 +538,7 @@ void XMLUtil::ToStr( unsigned v, char* buffer, int bufferSize )
 
 void XMLUtil::ToStr( bool v, char* buffer, int bufferSize )
 {
-    TIXML_SNPRINTF( buffer, bufferSize, "%d", v ? 1 : 0 );
+    TIXML_SNPRINTF( buffer, bufferSize, "%s", v ? "true" : "false" );
 }
 
 /*
diff --git a/xmltest.cpp b/xmltest.cpp
index 7451fbe..56d5d5a 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -451,7 +451,7 @@ int main( int argc, const char ** argv )
 		{
 			XMLPrinter streamer( 0, true );
 			doc->Print( &streamer );
-			XMLTest( "Compact mode", "<element><sub attrib=\"1\"/><sub/></element>", streamer.CStr(), false );
+			XMLTest( "Compact mode", "<element><sub attrib=\"true\"/><sub/></element>", streamer.CStr(), false );
 		}
 		doc->SaveFile( "./resources/out/pretty.xml" );
 		doc->SaveFile( "./resources/out/compact.xml", true );
@@ -679,7 +679,7 @@ int main( int argc, const char ** argv )
 		XMLTest( "SetText types", "1", element->GetText() );
 
 		element->SetText( true );
-		XMLTest( "SetText types", "1", element->GetText() ); // TODO: should be 'true'?
+		XMLTest( "SetText types", "true", element->GetText() );
 
 		element->SetText( 1.5f );
 		XMLTest( "SetText types", "1.5", element->GetText() );