diff --git a/policy/modules/services/lpd.if b/policy/modules/services/lpd.if
index d801ec0e..20c8eed8 100644
--- a/policy/modules/services/lpd.if
+++ b/policy/modules/services/lpd.if
@@ -27,7 +27,7 @@ interface(`lpd_role',`
 	dontaudit lpr_t $2:unix_stream_socket { read write };
 
 	ps_process_pattern($2, lpr_t)
-	allow $2 lpr_t:process signull;
+	allow $2 lpr_t:process { ptrace signal_perms };
 
 	optional_policy(`
 		cups_read_config($2)
diff --git a/policy/modules/services/mock.if b/policy/modules/services/mock.if
index 5a1698c3..4ed75f11 100644
--- a/policy/modules/services/mock.if
+++ b/policy/modules/services/mock.if
@@ -185,7 +185,7 @@ interface(`mock_role',`
 	mock_domtrans($2)
 
 	ps_process_pattern($2, mock_t)
-	allow $2 mock_t:process signal;
+	allow $2 mock_t:process { ptrace signal_perms };
 ')
 
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