diff --git a/phc2sys.c b/phc2sys.c
index 5b8a28b..18592bc 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -331,7 +331,7 @@ static int run_pmc(int wait_sync, int *utc_offset)
 		TIME_PROPERTIES_DATA_SET
 	};
 
-	pmc = pmc_create(TRANS_UDS, "/tmp/phc2sys", 0, 0, 0);
+	pmc = pmc_create(TRANS_UDS, "/var/run/phc2sys", 0, 0, 0);
 	if (!pmc) {
 		fprintf(stderr, "failed to create pmc\n");
 		return -1;
diff --git a/pmc.8 b/pmc.8
index 568b311..dfe71bb 100644
--- a/pmc.8
+++ b/pmc.8
@@ -64,7 +64,7 @@ Specify the boundary hops value in sent messages. The default is 1.
 Specify the domain number in sent messages. The default is 0.
 .TP
 .BI \-i " interface"
-Specify the network interface. The default is /tmp/pmc for the Unix Domain
+Specify the network interface. The default is /var/run/pmc for the Unix Domain
 Socket transport and eth0 for the other transports.
 .TP
 .BI \-t " transport-specific-field"
diff --git a/pmc.c b/pmc.c
index 3f94985..2736d85 100644
--- a/pmc.c
+++ b/pmc.c
@@ -392,7 +392,7 @@ static void usage(char *progname)
 		" -d [num]  domain number, default 0\n"
 		" -h        prints this message and exits\n"
 		" -i [dev]  interface device to use, default 'eth0'\n"
-		"           for network and '/tmp/pmc' for UDS.\n"
+		"           for network and '/var/run/pmc' for UDS.\n"
 		" -t [hex]  transport specific field, default 0x0\n"
 		" -v        prints the software version and exits\n"
 		"\n",
@@ -456,7 +456,7 @@ int main(int argc, char *argv[])
 	}
 
 	if (!iface_name) {
-		iface_name = transport_type == TRANS_UDS ? "/tmp/pmc" : "eth0";
+		iface_name = transport_type == TRANS_UDS ? "/var/run/pmc" : "eth0";
 	}
 
 	print_set_progname(progname);
diff --git a/uds.h b/uds.h
index 3760eb8..24effa8 100644
--- a/uds.h
+++ b/uds.h
@@ -26,7 +26,7 @@
 /**
  * Address of the server.
  */
-#define UDS_PATH "/tmp/ptp4l"
+#define UDS_PATH "/var/run/ptp4l"
 
 /**
  * Allocate an instance of a UDS transport.