1 files changed, 3 insertions, 2 deletions

diff --git a/kaddressbook/jumpbuttonbar.cpp b/kaddressbook/jumpbuttonbar.cpp
index 7524fb7..aebf8a6 100644
--- a/kaddressbook/jumpbuttonbar.cpp
+++ b/kaddressbook/jumpbuttonbar.cpp
@@ -129,9 +129,10 @@ void JumpButtonBar::recreateButtons()
   for ( it = ab->begin(); it != ab->end(); ++it ) {
       if ( !field->value( *it ).isEmpty() )
           character = field->value( *it )[ 0 ].lower();
-      if ( character != "!" )
-          if ( !character.isEmpty() && !mCharacters.contains( character )  )
+      if ( character != "!" ) {
+          if ( !character.isEmpty() && !mCharacters.contains( character ) && character.at( 0 ).isLetter ()) 
           mCharacters.append( character );
+      }
   }
   if ( mCharacters.count() == 0 ) {
       setEnabled( false );