diff --git a/src/dict/epwing_book.cc b/src/dict/epwing_book.cc
index 19817a5f7..eeaa084c1 100644
--- a/src/dict/epwing_book.cc
+++ b/src/dict/epwing_book.cc
@@ -408,7 +408,7 @@ EpwingBook::~EpwingBook()
 
 void EpwingBook::setErrorString( QString const & func, EB_Error_Code code )
 {
-  error_string = QString( "(%1) function error: %2 (%3)" )
+  error_string = QString( "Epwing: (%1) function error. %2 (%3)" )
                    .arg( func )
                    .arg( QString::fromLocal8Bit( eb_error_string( code ) ) )
                    .arg( QString::fromLocal8Bit( eb_error_message( code ) ) );