diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 1f6afe2d..d03f3e7b 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -72,7 +72,7 @@ typedef cryptonote::simple_wallet sw;
 #define DEFAULT_MIX 4
 
 #define KEY_IMAGE_EXPORT_FILE_MAGIC "Monero key image export\002"
-#define OUTPUT_EXPORT_FILE_MAGIC "Monero output export\002"
+#define OUTPUT_EXPORT_FILE_MAGIC "Monero output export\003"
 
 #define LOCK_IDLE_SCOPE() \
   bool auto_refresh_enabled = m_auto_refresh_enabled.load(std::memory_order_relaxed); \