diff --git a/libreoffice.spec b/libreoffice.spec
index 1bb9fc2..222fa50 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -1160,6 +1160,10 @@ for i in $RPM_OPT_FLAGS; do
         esac
         ARCH_FLAGS="$ARCH_FLAGS $i"
 done
+%ifarch s390
+# s390 builders do not have enough memory to link the big libs with -g2
+ARCH_FLAGS="$ARCH_FLAGS -g1"
+%endif
 export ARCH_FLAGS
 export CFLAGS=$ARCH_FLAGS
 export CXXFLAGS=$ARCH_FLAGS