diff --git a/policy/modules/services/postfix.if b/policy/modules/services/postfix.if
index 036373e..38857ec 100644
--- a/policy/modules/services/postfix.if
+++ b/policy/modules/services/postfix.if
@@ -273,7 +273,8 @@ interface(`postfix_read_local_state',`
 		type postfix_local_t;
 	')
 
-	read_files_pattern($1, postfix_local_t, postfix_local_t)
+	kernel_search_proc($1)
+	ps_process_pattern($1, postfix_local_t)
 ')
 
 ########################################
@@ -291,7 +292,8 @@ interface(`postfix_read_master_state',`
 		type postfix_master_t;
 	')
 
-	read_files_pattern($1, postfix_master_t, postfix_master_t)
+	kernel_search_proc($1)
+	ps_process_pattern($1, postfix_master_t)
 ')
 
 ########################################