diff --git a/ghostscript.spec b/ghostscript.spec
index 47f9c49..5d5170d 100644
--- a/ghostscript.spec
+++ b/ghostscript.spec
@@ -192,7 +192,7 @@ CUPS specific files %name
 %autoreconf
 
 %build
-
+export CFLAGS=-DA4
 pushd ijs*
        ./autogen.sh
        %configure --enable-shared