diff --git a/src/cpu/cpu.c b/src/cpu/cpu.c
index 3063f00eb6..6a808a0c17 100644
--- a/src/cpu/cpu.c
+++ b/src/cpu/cpu.c
@@ -240,7 +240,7 @@ cpuDecode(virCPUDefPtr cpu,
         return -1;
     }
 
-    if ((driver = cpuGetSubDriver(cpu->arch)) == NULL)
+    if ((driver = cpuGetSubDriver(data->arch)) == NULL)
         return -1;
 
     if (driver->decode == NULL) {