diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index dfa5a260a0638b40771fc24b526903a3b2cafaff..561f8ccf2f3827596e2f7f8270533c6245409308 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -1525,18 +1525,18 @@ int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
     }
 
     /*
-     * Fallback to always fail hypercalls:
+     * Fallback to always fail hypercalls regardless of endianness:
      *
+     *     tdi 0,r0,72 (becomes b .+8 in wrong endian, nop in good endian)
      *     li r3, -1
-     *     nop
-     *     nop
-     *     nop
+     *     b .+8       (becomes nop in wrong endian)
+     *     bswap32(li r3, -1)
      */
 
-    hc[0] = 0x3860ffff;
-    hc[1] = 0x60000000;
-    hc[2] = 0x60000000;
-    hc[3] = 0x60000000;
+    hc[0] = cpu_to_be32(0x08000048);
+    hc[1] = cpu_to_be32(0x3860ffff);
+    hc[2] = cpu_to_be32(0x48000008);
+    hc[3] = cpu_to_be32(bswap32(0x3860ffff));
 
     return 0;
 }