diff --git a/eclipse-cdt.spec b/eclipse-cdt.spec
index 1fbb18f..cac0132 100644
--- a/eclipse-cdt.spec
+++ b/eclipse-cdt.spec
@@ -30,7 +30,7 @@ Epoch: 1
 Summary:        Eclipse C/C++ Development Tools (CDT) plugin
 Name:           eclipse-cdt
 Version:        9.2.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 License:        EPL and CPL
 URL:            http://www.eclipse.org/cdt
 
@@ -370,10 +370,8 @@ pushd native/org.eclipse.cdt.native.serial/jni
 make CFLAGS="-fPIC %{optflags}" ../os/linux/%{eclipse_arch}/libserial.so
 popd
 
-# Exclude EquinoxResolver to avoid NPE occuring on arm
-%ifarch %{arm}
-export MAVEN_OPTS="-XX:CompileCommand=exclude,org/eclipse/tycho/core/osgitools/EquinoxResolver,newState"
-%endif
+# Exclude EquinoxResolver to avoid NPE occuring on arm and increase memory for s390
+export MAVEN_OPTS="-Xmx1024m -XX:CompileCommand=exclude,org/eclipse/tycho/core/osgitools/EquinoxResolver,newState"
 
 %mvn_build -j -f -- -Dtycho.local.keepTarget -Dskip-ppc64le -Dnative=linux.%{eclipse_arch}
 
@@ -532,6 +530,9 @@ fi
 %endif
 
 %changelog
+* Thu Mar 30 2017 Mat Booth <mat.booth@redhat.com> - 1:9.2.1-2
+- Increase memory to fix the build on s390
+
 * Tue Mar 28 2017 Mat Booth <mat.booth@redhat.com> - 1:9.2.1-1
 - Update to latest upstream release
 - Conditionalise building of arduino support