diff --git a/tinyxml2.h b/tinyxml2.h
index bf4d84f..4dfb015 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -558,8 +558,8 @@ public:
         return false;
     }
     
-    inline static int IsUTF8Continuation( const char p ) {
-        return p & 0x80;
+    inline static bool IsUTF8Continuation( const char p ) {
+        return ( p & 0x80 ) != 0;
     }
 
     static const char* ReadBOM( const char* p, bool* hasBOM );