--- trunk/src/selection/SelectionCompiler.hpp	2015/03/05 15:40:58	2068
+++ trunk/src/selection/SelectionCompiler.hpp	2015/03/05 16:30:23	2069
@@ -242,7 +242,7 @@ namespace OpenMD {
 
     std::vector<Token> ltokenPostfix;
     std::vector<Token> atokenInfix;
-    int itokenInfix;
+    std::size_t itokenInfix;
 
     //std::vector<Token> compiledTokens_;
   };