diff --git a/client/src/proxmark3.c b/client/src/proxmark3.c
index 0ebb35cd8..454a9d0a1 100644
--- a/client/src/proxmark3.c
+++ b/client/src/proxmark3.c
@@ -147,6 +147,7 @@ static void flush_history(void) {
     if (g_session.history_path) {
         write_history(g_session.history_path);
         free(g_session.history_path);
+        g_session.history_path = NULL;
     }
 }