1 files changed, 7 insertions, 1 deletions

diff --git a/bootloader_message/bootloader_message.cpp b/bootloader_message/bootloader_message.cpp
index 9a5671843..294b1725d 100644
--- a/bootloader_message/bootloader_message.cpp
+++ b/bootloader_message/bootloader_message.cpp
@@ -164,7 +164,13 @@ bool clear_bootloader_message(std::string* err) {
 }
 
 bool write_bootloader_message(const std::vector<std::string>& options, std::string* err) {
-  bootloader_message boot = {};
+  bootloader_message boot;
+  if (!read_bootloader_message(&boot, err)) {
+    return false;
+  }
+  // Zero out the entire fields.
+  memset(boot.command, 0, sizeof(boot.command));
+  memset(boot.recovery, 0, sizeof(boot.recovery));
   strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
   strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
   for (const auto& s : options) {