diff --git a/src/vmspawn/vmspawn-util.h b/src/vmspawn/vmspawn-util.h
index f851fd48e0..a1aa811aaf 100644
--- a/src/vmspawn/vmspawn-util.h
+++ b/src/vmspawn/vmspawn-util.h
@@ -35,7 +35,7 @@
 
 #if defined(__x86_64__) || defined(__i386__)
 #  define QEMU_MACHINE_TYPE "q35"
-#elif defined(__arm__) || defined(__aarch64__) || defined(__riscv) || defined(__loongarch64)
+#elif defined(__arm__) || defined(__aarch64__) || defined(__riscv) || defined(__loongarch64) || defined(__m68k__)
 #  define QEMU_MACHINE_TYPE "virt"
 #elif defined(__s390__) || defined(__s390x__)
 #  define QEMU_MACHINE_TYPE "s390-ccw-virtio"
@@ -43,8 +43,10 @@
 #  define QEMU_MACHINE_TYPE "pseries"
 #elif defined(__mips__)
 #  define QEMU_MACHINE_TYPE "malta"
+#elif defined(__sparc__)
+#  define QEMU_MACHINE_TYPE "sun4u"
 #else
-#  error "No qemu machine defined for this architecture"
+#  define QEMU_MACHINE_TYPE "none"
 #endif
 
 typedef struct OvmfConfig {