diff --git a/src/libsystemd-network/meson.build b/src/libsystemd-network/meson.build
index a2e5106b42..e4340f9957 100644
--- a/src/libsystemd-network/meson.build
+++ b/src/libsystemd-network/meson.build
@@ -12,7 +12,7 @@ sources = files(
         'icmp6-util.c',
         'lldp-neighbor.c',
         'lldp-network.c',
-        'ndisc-protocol.c',
+        'ndisc-option.c',
         'network-common.c',
         'network-internal.c',
         'sd-dhcp-client-id.c',
diff --git a/src/libsystemd-network/ndisc-protocol.c b/src/libsystemd-network/ndisc-option.c
similarity index 98%
rename from src/libsystemd-network/ndisc-protocol.c
rename to src/libsystemd-network/ndisc-option.c
index d1f0819e14..ad32129e46 100644
--- a/src/libsystemd-network/ndisc-protocol.c
+++ b/src/libsystemd-network/ndisc-option.c
@@ -2,7 +2,7 @@
 
 #include <netinet/icmp6.h>
 
-#include "ndisc-protocol.h"
+#include "ndisc-option.h"
 
 int ndisc_option_parse(
                 ICMP6Packet *p,
diff --git a/src/libsystemd-network/ndisc-protocol.h b/src/libsystemd-network/ndisc-option.h
similarity index 100%
rename from src/libsystemd-network/ndisc-protocol.h
rename to src/libsystemd-network/ndisc-option.h
diff --git a/src/libsystemd-network/radv-internal.h b/src/libsystemd-network/radv-internal.h
index d6cec904b0..8091a5d882 100644
--- a/src/libsystemd-network/radv-internal.h
+++ b/src/libsystemd-network/radv-internal.h
@@ -10,7 +10,7 @@
 #include "sd-radv.h"
 
 #include "list.h"
-#include "ndisc-protocol.h"
+#include "ndisc-option.h"
 #include "network-common.h"
 #include "sparse-endian.h"
 #include "time-util.h"
diff --git a/src/libsystemd-network/sd-ndisc-router.c b/src/libsystemd-network/sd-ndisc-router.c
index 4a95d7dba7..309ef10195 100644
--- a/src/libsystemd-network/sd-ndisc-router.c
+++ b/src/libsystemd-network/sd-ndisc-router.c
@@ -14,7 +14,7 @@
 #include "memory-util.h"
 #include "missing_network.h"
 #include "ndisc-internal.h"
-#include "ndisc-protocol.h"
+#include "ndisc-option.h"
 #include "ndisc-router-internal.h"
 #include "strv.h"