diff --git a/gettext.spec b/gettext.spec
index 2c87b2d..8e791bd 100644
--- a/gettext.spec
+++ b/gettext.spec
@@ -1,11 +1,11 @@
 %if "%{?stage1}" != "1"
-%define        with_csharp     1
+%define        with_csharp     
 %endif
 %define        perl_major_ver  %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          gettext
 Version:       0.19.8.1
-Release:       2mamba
+Release:       3mamba
 Summary:       GNU libraries and utilities for producing multi-lingual messages
 Group:         System/Libraries
 Vendor:        openmamba
@@ -45,8 +45,8 @@ BuildRequires: gcc-c++
 %if "%{?with_csharp}"
 BuildRequires: mono
 %endif
-BuildRequires: libgcj4-devel >= 6.2
-BuildRequires: libgcj4-devel <= 6.2.255
+BuildRequires: libgcj4-devel >= 6.4
+BuildRequires: libgcj4-devel <= 6.4.255
 BuildRequires: libunistring-devel >= 0.9.6
 Requires(post):%{__install_info}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
@@ -217,8 +217,8 @@ done
 %if "%{?stage1}" != "1"
 %files -n java-gettext
 %defattr(-,root,root)
-# gettext.jar is only built it gcj is not available
-#%{_datadir}/gettext/gettext.jar
+# gettext.jar is only built if gcj is not available
+%{_datadir}/gettext/gettext.jar
 %{_datadir}/gettext/libintl.jar
 %endif
 
@@ -229,6 +229,9 @@ done
 %endif
 
 %changelog
+* Thu Aug 02 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 0.19.8.1-3mamba
+- rebuilt with libgcj4 6.4.0
+
 * Tue Aug 30 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 0.19.8.1-2mamba
 - rebuilt with gcc 6.2.0