diff --git a/evolution.spec b/evolution.spec
index 38f9ce2..5b5f33f 100644
--- a/evolution.spec
+++ b/evolution.spec
@@ -22,7 +22,7 @@
 %define inline_audio_support 1
 %define ldap_support 1
 %define libnotify_support 1
-%define libpst_support 1
+%define libpst_support 0
 %define krb5_support 1
 %define nntp_support 1
 %ifnarch s390 s390x