diff --git a/sys/amd64/linux/syscalls.master b/sys/amd64/linux/syscalls.master
index a2ac67c2d126..420c029fa892 100644
--- a/sys/amd64/linux/syscalls.master
+++ b/sys/amd64/linux/syscalls.master
@@ -874,7 +874,7 @@
 		int linux_mknod(
 		    char *path,
 		    l_mode_t mode,
-		    l_uint dev
+		    l_dev_t dev
 		);
 	}
 134	AUE_USELIB	UNIMPL	uselib
@@ -1503,7 +1503,7 @@
 		    l_int dfd,
 		    const char *filename,
 		    l_mode_t mode,
-		    l_uint dev
+		    l_dev_t dev
 		);
 	}
 260	AUE_FCHOWNAT	STD {
diff --git a/sys/amd64/linux32/syscalls.master b/sys/amd64/linux32/syscalls.master
index bd145c8ee7e1..777ffd865b8b 100644
--- a/sys/amd64/linux32/syscalls.master
+++ b/sys/amd64/linux32/syscalls.master
@@ -1616,7 +1616,7 @@
 		    l_int dfd,
 		    const char *filename,
 		    l_int mode,
-		    l_uint dev
+		    l_dev_t dev
 		);
 	}
 298	AUE_FCHOWNAT	STD {
diff --git a/sys/arm64/linux/syscalls.master b/sys/arm64/linux/syscalls.master
index f4c2acca435d..2a564f0e3c5d 100644
--- a/sys/arm64/linux/syscalls.master
+++ b/sys/arm64/linux/syscalls.master
@@ -204,7 +204,7 @@
 		    l_int dfd,
 		    const char *filename,
 		    l_int mode,
-		    l_uint dev
+		    l_dev_t dev
 		);
 	}
 34	AUE_MKDIRAT	STD	{
diff --git a/sys/i386/linux/syscalls.master b/sys/i386/linux/syscalls.master
index c889cc4affe4..9175bcd45dcf 100644
--- a/sys/i386/linux/syscalls.master
+++ b/sys/i386/linux/syscalls.master
@@ -1633,7 +1633,7 @@
 		    l_int dfd,
 		    const char *filename,
 		    l_int mode,
-		    l_uint dev
+		    l_dev_t dev
 		);
 	}
 298	AUE_FCHOWNAT	STD {