diff --git a/Production/Firmware/musec_pico.uf2 b/Production/Firmware/musec_pico.uf2
index 0ec4033..8fcfc9d 100644
Binary files a/Production/Firmware/musec_pico.uf2 and b/Production/Firmware/musec_pico.uf2 differ
diff --git a/firmware/src/cli.c b/firmware/src/cli.c
index d2f9798..6cabc55 100644
--- a/firmware/src/cli.c
+++ b/firmware/src/cli.c
@@ -168,10 +168,7 @@ void cli_run()
         printf("\n%s", cli_prompt);
     }
     int c = getchar_timeout_us(0);
-    if (c == EOF) {
-        return;
-    }
-    if (c == 0) {
+    if (c < 0) {
         return;
     }