diff --git a/389-ds-base.spec b/389-ds-base.spec
index f3f7934..288378e 100644
--- a/389-ds-base.spec
+++ b/389-ds-base.spec
@@ -14,8 +14,10 @@
 %global use_Socket6 0
 %global use_nunc_stans 1
 
-%if %{_arch} != "s390"
+%if %{_arch} != "s390x" && %{_arch} != "s390" && %{_arch} != "ppc64" && %{_arch} != "ppc64le"
 %global use_tcmalloc 1
+%else
+%global use_tcmalloc 0
 %endif
 
 # fedora 15 and later uses tmpfiles.d
@@ -31,7 +33,7 @@
 Summary:          389 Directory Server (base)
 Name:             389-ds-base
 Version:          1.3.6.6
-Release:          %{?relprefix}1%{?prerel}%{?dist}
+Release:          %{?relprefix}2%{?prerel}%{?dist}
 License:          GPLv3+
 URL:              http://www.port389.org
 Group:            System Environment/Daemons
@@ -84,6 +86,7 @@ BuildRequires:    libevent-devel
 %endif
 %if %{use_tcmalloc}
 BuildRequires:    gperftools-devel
+BuildRequires:    gperftools-libs
 %endif
 
 # for python3 macros
@@ -464,6 +467,10 @@ fi
 %{python3_sitelib}/*
 
 %changelog
+* Mon May 22 2017 Mark Reynolds <mreynolds@redhat.com> - 1.3.6.6-2
+- Bump version to 1.3.6.6-2
+- Disable tcmalloc on ppc64 & ppc64le - crash in makstrdb during build
+
 * Mon May 22 2017 Mark Reynolds <mreynolds@redhat.com> - 1.3.6.6-1
 - Bump version to 1.3.6.6-1
 - Ticket 49157 - fix error in ds-logpipe.py