diff --git a/block/raw-posix.c b/block/raw-posix.c
index 0dce089be537d8ed3e8d7f30f57dc7412554add6..f60621176064f4f9a07d159781b20f0471c2343d 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1052,8 +1052,10 @@ static int floppy_probe_device(const char *filename)
     struct floppy_struct fdparam;
     struct stat st;
 
-    if (strstart(filename, "/dev/fd", NULL))
+    if (strstart(filename, "/dev/fd", NULL) &&
+        !strstart(filename, "/dev/fdset/", NULL)) {
         prio = 50;
+    }
 
     fd = open(filename, O_RDONLY | O_NONBLOCK);
     if (fd < 0) {