diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 8e19a6823..181587054 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -251,12 +251,12 @@ namespace
     return epee::string_tools::trim(buf);
   }
 
-  epee::wipeable_string input_secure_line(const std::string& prompt)
+  epee::wipeable_string input_secure_line(const char *prompt)
   {
 #ifdef HAVE_READLINE
     rdln::suspend_readline pause_readline;
 #endif
-    auto pwd_container = tools::password_container::prompt(false, prompt.c_str(), false);
+    auto pwd_container = tools::password_container::prompt(false, prompt, false);
     if (!pwd_container)
     {
       MERROR("Failed to read secure line");