diff --git a/sys/amd64/linux32/syscalls.master b/sys/amd64/linux32/syscalls.master
index a282ff00345f..9439a80b96f6 100644
--- a/sys/amd64/linux32/syscalls.master
+++ b/sys/amd64/linux32/syscalls.master
@@ -1020,7 +1020,7 @@
 		int linux_sendfile(
 		    l_int out,
 		    l_int in,
-		    l_long *offset,
+		    l_off_t *offset,
 		    l_size_t count
 		);
 	}
diff --git a/sys/i386/linux/syscalls.master b/sys/i386/linux/syscalls.master
index 65a5aa69fce5..ff3a7d444600 100644
--- a/sys/i386/linux/syscalls.master
+++ b/sys/i386/linux/syscalls.master
@@ -1038,7 +1038,7 @@
 		int linux_sendfile(
 		    l_int out,
 		    l_int in,
-		    l_long *offset,
+		    l_off_t *offset,
 		    l_size_t count
 		);
 	}