diff --git a/qemu/target-m68k/translate.c b/qemu/target-m68k/translate.c
index 47e710a0..06d412d3 100644
--- a/qemu/target-m68k/translate.c
+++ b/qemu/target-m68k/translate.c
@@ -2189,16 +2189,17 @@ DISAS_INSN(eor)
 {
     TCGContext *tcg_ctx = s->uc->tcg_ctx;
     TCGv src;
-    TCGv reg;
     TCGv dest;
     TCGv addr;
+    int opsize;
 
-    SRC_EA(env, src, OS_LONG, 0, &addr);
-    reg = DREG(insn, 9);
+    opsize = insn_opsize(insn);
+
+    SRC_EA(env, src, opsize, 0, &addr);
     dest = tcg_temp_new(tcg_ctx);
-    tcg_gen_xor_i32(tcg_ctx, dest, src, reg);
-    gen_logic_cc(s, dest, OS_LONG);
-    DEST_EA(env, insn, OS_LONG, dest, &addr);
+    tcg_gen_xor_i32(tcg_ctx, dest, src, DREG(insn, 9));
+    gen_logic_cc(s, dest, opsize);
+    DEST_EA(env, insn, opsize, dest, &addr);
 }
 
 static void do_exg(TCGContext *tcg_ctx, TCGv reg1, TCGv reg2)