diff --git a/libraries/AP_HAL_SITL/SITL_cmdline.cpp b/libraries/AP_HAL_SITL/SITL_cmdline.cpp
index fc36e4d315..85b6b03c79 100644
--- a/libraries/AP_HAL_SITL/SITL_cmdline.cpp
+++ b/libraries/AP_HAL_SITL/SITL_cmdline.cpp
@@ -10,6 +10,7 @@
 #include <signal.h>
 #include <unistd.h>
 #include <AP_HAL/utility/getopt_cpp.h>
+#include <AP_Logger/AP_Logger_SITL.h>
 
 #include <SITL/SIM_Multicopter.h>
 #include <SITL/SIM_Helicopter.h>
@@ -47,7 +48,7 @@ void SITL_State::_usage(void)
 {
     printf("Options:\n"
            "\t--help|-h                display this help information\n"
-           "\t--wipe|-w                wipe eeprom and dataflash\n"
+           "\t--wipe|-w                wipe eeprom\n"
            "\t--unhide-groups|-u       parameter enumeration ignores AP_PARAM_FLAG_ENABLE\n"
            "\t--speedup|-s SPEEDUP     set simulation speedup\n"
            "\t--rate|-r RATE           set SITL framerate\n"
@@ -232,7 +233,7 @@ void SITL_State::_parse_command_line(int argc, char * const argv[])
         switch (opt) {
         case 'w':
             AP_Param::erase_all();
-            unlink("dataflash.bin");
+            unlink(AP_Logger_SITL::filename);
             break;
         case 'u':
             AP_Param::set_hide_disabled_groups(false);