1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/target/hosted/sonynwz/button-nwz.c b/firmware/target/hosted/sonynwz/button-nwz.c
index 2fb23e1471..f85a4be496 100644
--- a/firmware/target/hosted/sonynwz/button-nwz.c
+++ b/firmware/target/hosted/sonynwz/button-nwz.c
@@ -156,7 +156,7 @@ static void key_init_state(int fd)
 
 static void open_input_device(const char *path)
 {
-    int fd = open(path, O_RDWR);
+    int fd = open(path, O_RDONLY | O_CLOEXEC);
     if(fd < 0)
         return;
     /* query name */