Index: schema/pgFunction.cpp
===================================================================
--- schema/pgFunction.cpp	(revision 8296)
+++ schema/pgFunction.cpp	(working copy)
@@ -598,6 +598,8 @@
                         {
                             if (argDefValArray[currINindex++] != wxT("-"))
                                 function->iAddArgDef(argDefValArray[currINindex-1]);
+                            else
+                                function->iAddArgDef(wxT(""));
                         }
                         else
                             function->iAddArgDef(wxEmptyString);