--- trunk/src/brains/ForceField.cpp	2013/07/16 19:29:52	1904
+++ trunk/src/brains/ForceField.cpp	2013/07/17 20:39:58	1905
@@ -80,7 +80,7 @@ namespace OpenMD {
 
 namespace OpenMD {
 
-  ForceField::ForceField(std::string ffName) { 
+  ForceField::ForceField(std::string ffName): wildCardAtomTypeName_("X") { 
 
     char* tempPath; 
     tempPath = getenv("FORCE_PARAM_PATH");