diff --git a/test-tool/test-tool.c b/test-tool/test-tool.c
index 848571dbd..f3eb59d0e 100644
--- a/test-tool/test-tool.c
+++ b/test-tool/test-tool.c
@@ -389,14 +389,16 @@ set_qemu (guestfs_h *g, const char *path, int use_wrapper)
            "host_cpu=%s\n"
            "qemudir='%s'\n"
            "case $host_cpu in\n"
-           "    amd64*) qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-x86_64\"\n"
-           "            ;;\n"
+           "    amd64*)\n"
+           "          qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-x86_64\"\n"
+           "          ;;\n"
            "    arm*) qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-arm\"\n"
            "          ;;\n"
-           "    ppc64le) qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-ppc64\"\n"
-           "             ;;\n"
-           "    *) qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-$host_cpu\"\n"
-           "       ;;\n"
+           "    powerpc64|ppc64le)\n"
+           "          qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-ppc64\"\n"
+           "          ;;\n"
+           "    *)    qemu=\"$qemudir/$host_cpu-softmmu/qemu-system-$host_cpu\"\n"
+           "          ;;\n"
            "esac\n"
            "exec \"$qemu\" -L \"$qemudir/pc-bios\" \"$@\"\n",
            host_cpu, path);