diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
index 1326493a9a..a77e036b3a 100644
--- a/target/ppc/cpu-models.h
+++ b/target/ppc/cpu-models.h
@@ -348,11 +348,11 @@ enum {
     CPU_POWERPC_POWER8NVL_BASE     = 0x004C0000,
     CPU_POWERPC_POWER8NVL_v10      = 0x004C0100,
     CPU_POWERPC_POWER9_BASE        = 0x004E0000,
-    CPU_POWERPC_POWER9_DD1         = 0x004E0100,
+    CPU_POWERPC_POWER9_DD1         = 0x004E1100,
     CPU_POWERPC_POWER9_DD20        = 0x004E1200,
     CPU_POWERPC_POWER10_BASE       = 0x00800000,
-    CPU_POWERPC_POWER10_DD1        = 0x00800100,
-    CPU_POWERPC_POWER10_DD20       = 0x00800200,
+    CPU_POWERPC_POWER10_DD1        = 0x00801100,
+    CPU_POWERPC_POWER10_DD20       = 0x00801200,
     CPU_POWERPC_970_v22            = 0x00390202,
     CPU_POWERPC_970FX_v10          = 0x00391100,
     CPU_POWERPC_970FX_v20          = 0x003C0200,