diff --git a/qemu/target-i386/unicorn.c b/qemu/target-i386/unicorn.c
index 5d047773..0010e4f5 100644
--- a/qemu/target-i386/unicorn.c
+++ b/qemu/target-i386/unicorn.c
@@ -1185,10 +1185,10 @@ int x86_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals, i
                         X86_CPU(uc, mycpu)->env.segs[R_ES].selector = *(uint16_t *)value;
                         break;
                     case UC_X86_REG_FS:
-                        X86_CPU(uc, mycpu)->env.segs[R_FS].selector = *(uint16_t *)value;
+                        cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_FS, *(uint16_t *)value);
                         break;
                     case UC_X86_REG_GS:
-                        X86_CPU(uc, mycpu)->env.segs[R_GS].selector = *(uint16_t *)value;
+                        cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_GS, *(uint16_t *)value);
                         break;
                     case UC_X86_REG_R8:
                         X86_CPU(uc, mycpu)->env.regs[8] = *(uint64_t *)value;