diff --git a/src/stub/src/arch/i086/lzma_d.S b/src/stub/src/arch/i086/lzma_d.S
index a4a3f466..18cb6e41 100644
--- a/src/stub/src/arch/i086/lzma_d.S
+++ b/src/stub/src/arch/i086/lzma_d.S
@@ -163,7 +163,7 @@
 //   REQUIRED: 16 <= cl <= 32
 .macro  M_shld_16_32
         sub     cl, 16
-        shr     ax, cl
+        shl     ax, cl
         mov     dx, ax
         xor     ax, ax
 .endm