diff --git a/target-arm/helper.c b/target-arm/helper.c
index 9afec28a1f..be52c1f183 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -397,7 +397,7 @@ static const ARMCPRegInfo cp_reginfo[] = {
       .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c13_fcse),
       .resetvalue = 0, .writefn = fcse_write, .raw_writefn = raw_write, },
     { .name = "CONTEXTIDR", .cp = 15, .crn = 13, .crm = 0, .opc1 = 0, .opc2 = 1,
-      .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c13_fcse),
+      .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c13_context),
       .resetvalue = 0, .writefn = contextidr_write, .raw_writefn = raw_write, },
     /* ??? This covers not just the impdef TLB lockdown registers but also
      * some v7VMSA registers relating to TEX remap, so it is overly broad.