diff --git a/libsrc/runtime/zeropage.s b/libsrc/runtime/zeropage.s
index 8f3dbf234..6cfaef53e 100644
--- a/libsrc/runtime/zeropage.s
+++ b/libsrc/runtime/zeropage.s
@@ -13,7 +13,6 @@
 
 .zeropage
 
-zpstart	= *
 sp:	      	.res   	2      	; Stack pointer
 sreg:	      	.res	2      	; Secondary register/high 16 bit for longs
 regsave:      	.res	4      	; slot to save/restore (E)AX into
@@ -27,3 +26,9 @@ tmp3:	      	.res	1
 tmp4:	      	.res	1
 regbank:      	.res	6      	; 6 byte register bank
 
+; Add an empty EXTZP zeropage segment to avoid linker warnings that this
+; segment does not exist (it does not exist in most builtin linker configs
+; but is used when linking modules).
+
+.segment        "EXTZP", zeropage
+