diff --git a/fsdev/qemu-fsdev.c b/fsdev/qemu-fsdev.c
index 27d10cb..7fd2aa7 100644
--- a/fsdev/qemu-fsdev.c
+++ b/fsdev/qemu-fsdev.c
@@ -24,6 +24,7 @@
 static FsDriverTable FsDrivers[] = {
     { .name = "local", .ops = &local_ops},
     { .name = "handle", .ops = &handle_ops},
+    { .name = "synth", .ops = &synth_ops},
 };
 
 int qemu_fsdev_add(QemuOpts *opts)
diff --git a/fsdev/qemu-fsdev.h b/fsdev/qemu-fsdev.h
index 5099085..8ef8473 100644
--- a/fsdev/qemu-fsdev.h
+++ b/fsdev/qemu-fsdev.h
@@ -53,4 +53,5 @@
 FsDriverEntry *get_fsdev_fsentry(char *id);
 extern FileOperations local_ops;
 extern FileOperations handle_ops;
+extern FileOperations synth_ops;
 #endif