diff --git a/antlr.spec b/antlr.spec
index 942a91e..3c86310 100644
--- a/antlr.spec
+++ b/antlr.spec
@@ -28,6 +28,8 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
+%define _with_gcj_support 1
+
 %define gcj_support %{?_with_gcj_support:1}%{!?_with_gcj_support:%{?_without_gcj_support:0}%{!?_without_gcj_support:%{?_gcj_support:%{_gcj_support}}%{!?_gcj_support:0}}}
 %define build_jedit  %{?_with_jedit:1}%{!?_without_jedit:0}