diff --git a/asm/z80.cpp b/asm/z80.cpp
index 4a91ab65..b004bb7b 100644
--- a/asm/z80.cpp
+++ b/asm/z80.cpp
@@ -1173,7 +1173,6 @@ printf("-- %d %d %d\n", operands[n].type, operands[n].value, operands[n].offset)
               operands[0].value == REG_HL &&
               reg != -1)
           {
-            add_bin8(asm_context, table_z80[n].opcode | reg, IS_OPCODE);
             add_bin8(asm_context, table_z80[n].opcode | reg, IS_OPCODE);
             return 1;
           }