diff --git a/libsrc/sim6502/crt0.s b/libsrc/sim6502/crt0.s
index 848b7044f..c04a2b8a6 100644
--- a/libsrc/sim6502/crt0.s
+++ b/libsrc/sim6502/crt0.s
@@ -5,7 +5,7 @@
 ;
 
         .export         _exit
-        .export         sim65start
+        .export         startup
         .export         __STARTUP__ : absolute = 1      ; Mark as startup
         .import         zerobss, callmain
         .import         initlib, donelib
@@ -17,8 +17,7 @@
 
         .segment        "STARTUP"
 
-sim65start:
-        cld
+startup:cld
         ldx     #$FF
         txs
         lda     #<(__MAIN_START__ + __MAIN_SIZE__ + __STACKSIZE__)
diff --git a/libsrc/sim6502/exehdr.s b/libsrc/sim6502/exehdr.s
index 297caa85f..09d099da5 100644
--- a/libsrc/sim6502/exehdr.s
+++ b/libsrc/sim6502/exehdr.s
@@ -7,7 +7,7 @@
         .export         __EXEHDR__ : absolute = 1       ; Linker referenced
         .importzp       sp
         .import         __MAIN_START__
-        .import         sim65start
+        .import         startup
 
         .segment        "EXEHDR"
 
@@ -16,4 +16,4 @@
         .byte   .defined(__SIM65C02__)         ; CPU type
         .byte   sp                             ; sp address
         .addr   __MAIN_START__                 ; load address
-        .addr   sim65start                     ; reset address
+        .addr   startup                        ; reset address