diff --git a/lib/make/mb_autoexec.mk b/lib/make/mb_autoexec.mk
index 52494ba..29bf0c2 100644
--- a/lib/make/mb_autoexec.mk
+++ b/lib/make/mb_autoexec.mk
@@ -36,7 +36,7 @@ endef
 define mb_autoexec_write_default
 	echo -n "" > $(1)/autoexec.bat
 	$(if $(filter true,$(MB_AUTOEXEC_BYSELF)),$(call mb_autoexec_append_rem,$(1),$(MB_AUTOEXEC_BYSELF_MSG)))
-	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_STARTUP_TIMEOUT) seconds fail_after_init $(MB_AUTOEXEC_STARTUP_EXITCODE))
+	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_STARTUP_TIMEOUT) seconds failed_autoexec $(MB_AUTOEXEC_STARTUP_EXITCODE))
 	$(if $(filter 40,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_cmd,$(1),mode 40))
 	$(if $(filter 40,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_echo,$(1),Enabled mode 40.))
 	$(if $(filter 80,$(MB_AUTOEXEC_TEXTMODE)),$(call mb_autoexec_append_cmd,$(1),mode 80))
@@ -60,7 +60,7 @@ endef
 define mb_autoexec_cmd
 	@echo === Generating autoexec.bat for command
 	$(call mb_autoexec_write_default,$(1))
-	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_CMD_TIMEOUT) seconds fail_after_cmd $(MB_AUTOEXEC_CMD_EXITCODE))
+	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_CMD_TIMEOUT) seconds failed_cmd $(MB_AUTOEXEC_CMD_EXITCODE))
 	$(call mb_autoexec_append_echo,$(1),Running command '$(2)')
 	$(call mb_autoexec_append_cmd,$(1),$(2))
 	$(call mb_autoexec_append_exit,$(1))
@@ -68,7 +68,7 @@ endef
 define mb_autoexec_cmd_test
 	@echo === Generating autoexec.bat for command test
 	$(call mb_autoexec_write_default,$(1))
-	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_TEST_TIMEOUT) seconds fail_after_test $(MB_AUTOEXEC_TEST_EXITCODE))
+	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_TEST_TIMEOUT) seconds failed_test $(MB_AUTOEXEC_TEST_EXITCODE))
 	$(call mb_autoexec_append_echo,$(1),Running test '$(2)')
 	$(call mb_autoexec_append_cmd,$(1),$(2))
 	$(call mb_autoexec_append_exit,$(1))
diff --git a/lib/openmsx/fail_after.tcl b/lib/openmsx/fail_after.tcl
index e2e1563..8e590d9 100644
--- a/lib/openmsx/fail_after.tcl
+++ b/lib/openmsx/fail_after.tcl
@@ -73,5 +73,5 @@ if {[info exists ::env(FAIL_AFTER_PATH)] && ([string trim $::env(FAIL_AFTER_PATH
 
 # Enables boot watch dog timer when FAIL_AFTER_BOOT env has a value. (124 see `man timeout`) 
 if {[info exists ::env(FAIL_AFTER_BOOT)] && ([string trim $::env(FAIL_AFTER_BOOT)] != "")} {
-	fail_after [string trim $::env(FAIL_AFTER_BOOT)] realtime fail_after_boot 124
+	fail_after [string trim $::env(FAIL_AFTER_BOOT)] realtime failed_boot 124
 }