diff --git a/postfix.spec b/postfix.spec
index 7fd9373..396e3ee 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -150,7 +150,7 @@ PostgreSQL.
 %patch12 -p1
 %patch20 -p1
 # apply postfix-SUSE patches
-%patch100 -p1
+%patch100 -p0
 # ---------------------------------------------------------------------------
 
 %build