diff --git a/freeipa.spec b/freeipa.spec
index c65b3cc..ac75f7e 100644
--- a/freeipa.spec
+++ b/freeipa.spec
@@ -857,7 +857,7 @@ cp -r %{_builddir}/freeipa-%{version} %{_builddir}/freeipa-%{version}-python3
 
 %build
 # UI compilation segfaulted on some arches when the stack was lower (#1040576)
-export JAVA_STACK_SIZE="8m"
+export JAVA_STACK_SIZE="16m"
 # PATH is workaround for https://bugzilla.redhat.com/show_bug.cgi?id=1005235
 export PATH=/usr/bin:/usr/sbin:$PATH
 export PYTHON=%{__python2}
@@ -1617,6 +1617,7 @@ fi
 %changelog
 * Mon Jul 10 2017 Alexander Bokovoy <abokovoy@redhat.com> - 4.5.2-3
 - Fix build with Samba 4.7.0-RC1
+- Increase java stack for rhino calls to get around crashes on ppc64-le
 
 * Tue Jun 20 2017 Tomas Krizek <tkrizek@redhat.com> - 4.5.2-2
 - Patch: Fix IP address checks