diff --git a/sys/amd64/linux/syscalls.master b/sys/amd64/linux/syscalls.master
index 2c61a29a2a4..9cb2a899d88 100644
--- a/sys/amd64/linux/syscalls.master
+++ b/sys/amd64/linux/syscalls.master
@@ -472,11 +472,11 @@
 		    l_int semflg
 		);
 	}
-65	AUE_NULL	STD {
-		int linux_semop(
+65	AUE_NULL	NOPROTO {
+		int semop(
 		    l_int semid,
-		    struct l_sembuf *tsops,
-		    l_uint nsops
+		    struct sembuf *sops,
+		    l_size_t nsops
 		);
 	}
 66	AUE_NULL	STD {
diff --git a/sys/arm64/linux/syscalls.master b/sys/arm64/linux/syscalls.master
index 80271533527..efdc98771e0 100644
--- a/sys/arm64/linux/syscalls.master
+++ b/sys/arm64/linux/syscalls.master
@@ -1137,11 +1137,11 @@
 192	AUE_NULL	STD	{
 		int linux_semtimedop(void);
 	}
-193	AUE_NULL	STD	{
-		int linux_semop(
+193	AUE_NULL	NOPROTO	{
+		int semop(
 		    l_int semid,
-		    struct l_sembuf *tsops,
-		    l_uint nsops
+		    struct sembuf *sops,
+		    l_size_t nsops
 		);
 	}
 194	AUE_NULL	STD	{