diff --git a/obs-service-format_spec_file.changes b/obs-service-format_spec_file.changes
index 36d97e9..d61026e 100644
--- a/obs-service-format_spec_file.changes
+++ b/obs-service-format_spec_file.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 14 02:28:08 CEST 2014 - ro@suse.de
+
+- do not enter empty license line if not found (eg in include file) 
+
 -------------------------------------------------------------------
 Wed Aug 13 11:21:40 CEST 2014 - ro@suse.de
 
diff --git a/prepare_spec b/prepare_spec
index 65a07c3..3fcb997 100644
--- a/prepare_spec
+++ b/prepare_spec
@@ -715,7 +715,7 @@ while (@oldspec) {
   } elsif ($line =~ m/XXXPOSTSUMMARY (.*)$/) {
     my $current_package = $1;
     my $license = $seen_licenses{$current_package} || $main_license;
-    printf("%-16s%s\n", "License:", $license) if (!$license_unique || $first_summary || $current_package eq $base_package);
+    printf("%-16s%s\n", "License:", $license) if $license && (!$license_unique || $first_summary || $current_package eq $base_package);
     my $group = $seen_groups{$current_package} || $main_group;
     printf("%-16s%s\n", "Group:", $group) if (!$groups_unique || $first_summary || $current_package eq $base_package);
     $first_summary = 0;