diff --git a/libsrc/c16/crt0.s b/libsrc/c16/crt0.s
index c7916b9d2..d040f4e53 100644
--- a/libsrc/c16/crt0.s
+++ b/libsrc/c16/crt0.s
@@ -2,7 +2,7 @@
 ; Startup code for cc65 (C16 version)
 ;
 ; This must be the *first* file on the linker command line
-;                            
+;
 ; Note: The C16 is actually the Plus/4 with just 16KB of memory. So many
 ; things are similar here, and we even use the plus4.inc include file.
 ;
@@ -17,18 +17,23 @@
 
 
 ; ------------------------------------------------------------------------
+; Create an empty LOWCODE segment to avoid linker warnings
+
+.segment        "LOWCODE"
+
+; ------------------------------------------------------------------------
+; Place the startup code in a special segment.
+
+.segment       	"STARTUP"
+
 ; BASIC header with a SYS call
 
-.code
-
-	.org	$0FFF
         .word   Head            ; Load address
 Head:   .word   @Next
         .word   1000            ; Line number
         .byte   $9E,"4109"	; SYS 4109
         .byte   $00             ; End of BASIC line
 @Next:  .word   0               ; BASIC end marker
-	.reloc
 
 ; ------------------------------------------------------------------------
 ; Actual code
diff --git a/libsrc/pet/crt0.s b/libsrc/pet/crt0.s
index c1e5c009f..fb65973ec 100644
--- a/libsrc/pet/crt0.s
+++ b/libsrc/pet/crt0.s
@@ -15,25 +15,30 @@
 	.include	"../cbm/cbm.inc"
 
 ; ------------------------------------------------------------------------
+; Create an empty LOWCODE segment to avoid linker warnings
+
+.segment        "LOWCODE"
+
+; ------------------------------------------------------------------------
+; Place the startup code in a special segment.
+
+.segment       	"STARTUP"
+
 ; BASIC header with a SYS call
 
-.code
-
-	.org	$3FF
         .word   Head            ; Load address
 Head:   .word   @Next
         .word   1000            ; Line number
         .byte   $9E,"1037"      ; SYS 1037
         .byte   $00             ; End of BASIC line
 @Next:  .word   0               ; BASIC end marker
-	.reloc
 
 ; ------------------------------------------------------------------------
 ; Actual code
 
        	ldx	#zpspace-1
 L1:	lda	sp,x
-   	sta	zpsave,x	; Save the zero page locations we need
+      	sta	zpsave,x	; Save the zero page locations we need
 	dex
        	bpl	L1
 
@@ -95,6 +100,9 @@ L2:	lda	zpsave,x
        	rts
 
 
+; ------------------------------------------------------------------------
+; Data
+
 .data
 
 zpsave:	.res	zpspace
diff --git a/libsrc/vic20/crt0.s b/libsrc/vic20/crt0.s
index 286b0407c..ca3ff2f49 100644
--- a/libsrc/vic20/crt0.s
+++ b/libsrc/vic20/crt0.s
@@ -16,9 +16,17 @@
      	.include     	"../cbm/cbm.inc"
 
 ; ------------------------------------------------------------------------
+; Create an empty LOWCODE segment to avoid linker warnings
+
+.segment        "LOWCODE"
+
+; ------------------------------------------------------------------------
+; Place the startup code in a special segment.
+
+.segment       	"STARTUP"
+
 ; BASIC header with a SYS call
 
-.segment        "EXEHDR"
         .word   Head            ; Load address
 Head:   .word   @Next
         .word   1000            ; Line number
@@ -34,8 +42,6 @@ Head:   .word   @Next
 ; ------------------------------------------------------------------------
 ; Actual code
 
-.code
-
 	ldx    	#zpspace-1
 L1:	lda	sp,x
    	sta	zpsave,x	; Save the zero page locations we need
@@ -99,6 +105,9 @@ L2:	lda	zpsave,x
 	jmp	RESTOR
 
 
+; ------------------------------------------------------------------------
+; Data
+
 .data
 
 zpsave:	.res	zpspace