diff --git a/dcop/dcopidlng/kalyptus b/dcop/dcopidlng/kalyptus
index 91814d665..38b38a013 100644
--- a/dcop/dcopidlng/kalyptus
+++ b/dcop/dcopidlng/kalyptus
@@ -462,7 +462,7 @@ LOOP:
 				     $p =~ m/^#\s*if\s+defined\(Q_CC_/ or
 				     $p =~ m/^#\s*if\s+defined\(TQT_THREAD_SUPPORT/ or
 				     $p =~ m/^#\s*else/ or
-				     $p =~ m/^#\s*if\s+defined\(Q_FULL_TEMPLATE_INSTANTIATION/ or
+				     $p =~ m/^#\s*if\s+defined\(TQ_FULL_TEMPLATE_INSTANTIATION/ or
 				     $p =~ m/^#\s*ifdef\s+CONTAINER_CUSTOM_WIDGETS/ or
 				     &$match_qt_defines( $p ) or
 				     $p =~ m/^#\s*if\s+0\s+/ ) {