diff --git a/ir_x86.dasc b/ir_x86.dasc
index 7ece301..0acffd1 100644
--- a/ir_x86.dasc
+++ b/ir_x86.dasc
@@ -6993,7 +6993,17 @@ static void ir_emit_tls(ir_ctx *ctx, ir_ref def, ir_insn *insn)
 		return;
 	}
 
-|.if X64
+|.if X64WIN
+|	gs
+|	mov Ra(reg), aword [0x58]
+|	mov Ra(reg), aword [Ra(reg)+insn->op2]
+|	mov Ra(reg), aword [Ra(reg)+insn->op3]
+|.elif WIN
+|	fs
+|	mov Ra(reg), aword [0x2c]
+|	mov Ra(reg), aword [Ra(reg)+insn->op2]
+|	mov Ra(reg), aword [Ra(reg)+insn->op3]
+|.elif X64
 |	fs
 ||	if (!insn->op3) {
 |		mov Ra(reg), aword [insn->op2]