diff --git a/target-arm/helper.c b/target-arm/helper.c
index 23099236ad..ca5d8e9e28 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -679,7 +679,7 @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = {
       .fieldoffset = offsetof(CPUARMState, cp15.c2_base0), .resetvalue = 0, },
     { .name = "TTBR1", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 1,
       .access = PL1_RW,
-      .fieldoffset = offsetof(CPUARMState, cp15.c2_base0), .resetvalue = 0, },
+      .fieldoffset = offsetof(CPUARMState, cp15.c2_base1), .resetvalue = 0, },
     { .name = "TTBCR", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 2,
       .access = PL1_RW, .writefn = vmsa_ttbcr_write,
       .resetfn = vmsa_ttbcr_reset,