diff --git a/test/asm/listing/666-bug2208.s b/test/asm/listing/666-bug2208.s
new file mode 100644
index 000000000..9b83e95b0
--- /dev/null
+++ b/test/asm/listing/666-bug2208.s
@@ -0,0 +1,28 @@
+
+; #2208 - Current ca65 generates different code for msbasic
+
+.setcpu "6502"
+
+ZP_START2 = $04
+
+INPUTBUFFERX = INPUTBUFFER & $FF00
+
+;------------------------------------------------------------------------------
+
+;.feature org_per_seg
+.zeropage
+
+; if not present, both 2.18 and head produce a absolute,x instruction
+; if present, 2.18 produces a zp,x instruction - but head uses abs,x!
+.org ZP_START2
+
+INPUTBUFFER:
+
+;------------------------------------------------------------------------------
+
+.segment "CODE"
+
+        .byte $f0, $f1, $f2, $f3    ; just some data to search for
+        ; BUG: this will wrongly assembly into a 3-byte instruction
+        ;      under certain conditions
+        lda     INPUTBUFFERX,x
diff --git a/test/asm/listing/ref/666-bug2208.bin-ref b/test/asm/listing/ref/666-bug2208.bin-ref
new file mode 100644
index 000000000..cab72bbd3
Binary files /dev/null and b/test/asm/listing/ref/666-bug2208.bin-ref differ