diff --git a/sendmail.spec b/sendmail.spec
index 3a3671e..0dd5d83 100644
--- a/sendmail.spec
+++ b/sendmail.spec
@@ -140,17 +140,11 @@ your sendmail.cf file.
 %patch13 -p1 -b .close_wait.p2
 %patch14 -p1 -b .fix_for_libbind
 
-# NOTE: on ppc64, the db4 library won't link with objects compiled
-# with the default ppc64 $RPM_OPT_FLAGS of '-m64' - disable for now,
-# but re-enable once db4 is fixed.
-
 %build
 # generate redhat config file
 cat > redhat.config.m4 << EOF
 define(\`confMAPDEF', \`-DNEWDB -DNIS -DHESIOD -DMAP_REGEX -DSOCKETMAP')
-%ifnarch ppc64
 define(\`confOPTIMIZE', \`\`\`${RPM_OPT_FLAGS}''')
-%endif
 define(\`confENVDEF', \`-I/usr/include/db4 -I/usr/kerberos/include -Wall -DXDEBUG=0 -DTCPWRAPPERS -DNETINET6 -DHES_GETMAILHOST -DUSE_VENDOR_CF_PATH=1 -D_FFR_WORKAROUND_BROKEN_NAMESERVERS -D_FFR_SMTP_SSL')
 define(\`confLIBDIRS', \`-L/usr/kerberos/%{_lib}')
 define(\`confLIBS', \`-lnsl -lwrap -lhesiod -lcrypt -ldb')
@@ -225,8 +219,8 @@ APPENDDEF(\`confLIBS',\`%{l_ldflags mysql .} -lmysqlclient -lz -lm')dnl
 EOF
 %endif
 
-# on s390x, we end up getting NAMED_BIND=1 but no -lbind ?!?!
-%ifarch s390x
+# on s390x and ppc64, we end up getting NAMED_BIND=1 but no -lbind ?!?!
+%ifarch s390x ppc64
 cat >> redhat.config.m4 << EOF
 APPENDDEF(\`confLIBS',\` -lbind')dnl
 EOF