diff --git a/pmc_common.c b/pmc_common.c
index 71854c0..ee88bda 100644
--- a/pmc_common.c
+++ b/pmc_common.c
@@ -24,6 +24,7 @@
 #include "tlv.h"
 #include "transport.h"
 #include "util.h"
+#include "pmc_common.h"
 
 struct pmc {
 	UInteger16 sequence_id;
diff --git a/pmc_common.h b/pmc_common.h
index cd4d2c0..f16eb9a 100644
--- a/pmc_common.h
+++ b/pmc_common.h
@@ -33,7 +33,7 @@ void pmc_destroy(struct pmc *pmc);
 
 int pmc_get_transport_fd(struct pmc *pmc);
 
-void pmc_send_get_action(struct pmc *pmc, int id);
+int pmc_send_get_action(struct pmc *pmc, int id);
 
 struct ptp_message *pmc_recv(struct pmc *pmc);