diff --git a/src/commands/CmdCalc.cpp b/src/commands/CmdCalc.cpp
index 99caaafd0..ab86327fc 100644
--- a/src/commands/CmdCalc.cpp
+++ b/src/commands/CmdCalc.cpp
@@ -75,7 +75,7 @@ int CmdCalc::execute (std::string& output)
 
   // Compile all the args into one expression.
   std::string expression;
-  std::vector <std::string> words = context.a3.extract_words ();
+  std::vector <std::string> words = context.a3t.getWords ();
   std::vector <std::string>::iterator word;
   for (word = words.begin (); word != words.end (); ++word)
     expression += *word + " ";