diff --git a/asm.awk b/asm.awk
index a53cf2e..5a3e004 100644
--- a/asm.awk
+++ b/asm.awk
@@ -300,7 +300,7 @@ x86 && op in alu {
   } else if (byteop && rm1 || op1 in r8) {
     pushb(128) # 80
     modrm(op1, alu[op], r8)
-    pushw(getsym(op2))
+    pushb(getsym(op2))
   } else if (wordop && rm1 || op1 in r16) {
     pushb(129) # 81
     modrm(op1, alu[op], r16)