--- a/src/tcl/tclwrap.c
+++ b/src/tcl/tclwrap.c
@@ -46,7 +46,7 @@
    result = Tcl_EvalFile(interp, (char *)fileName) == TCL_OK;
    if (!result) {
       utWarning("Tcl error in file %s, line %d: %s", fileName,
-         interp->errorLine, interp->result);
+         Tcl_GetErrorLine(interp), Tcl_GetStringResult(interp));
    }
    return result;
 }
@@ -75,7 +75,7 @@
       commandLine[xChar] = '\0';
       result = Tcl_Eval(interp, commandLine);
       if (result == TCL_ERROR) {
-        utWarning("Tcl error: %s", interp->result);
+        utWarning("Tcl error: %s", Tcl_GetStringResult(interp));
       }
    } while (result != TCL_RETURN);
    return true;